少妇搡bbbb搡bbb搡打电话_欧美精品aaa_伊人五月婷婷_免费透逼视频_99久久毛片_精品久久久一区二区_色av综合网_欧美熟妇精品黑人巨大一二三区_亚洲精品美女视频_中文字幕av无码一区二区三区_日韩成人无码一区二区三区_人人人人爽_少妇无套高潮一二三区_免费麻豆av_五月天婷婷视频

×

All

Product

News

About 134 records found

Shining at VIETSTOCK Vietnam: Shaping a New Blueprint for Southeast Asia’s Livestock Industry

From October 8 to 10, NHU made a prominent appearance at the 2025 Vietnam Livestock Exhibition (VIETSTOCK). This participation marks a significant step for the company in deepening its presence in the Southeast Asian market and enhancing its brand influence in Vietnam’s feed and livestock industry. As Vietnam’s largest and most professional livestock event, the exhibition was successfully held in Ho Chi Minh City, providing NHU with an excellent platform to showcase its strengths and expand regional cooperation.Exploring Industry Trends and Fostering Development through CollaborationDuring the exhibition, NHU’s booth (B.D22) attracted numerous industry professionals and buyers from Vietnam and neighboring countries. Leveraging strong product expertise and enthusiastic service, the NHU team engaged in in-depth discussions with industry peers on market trends and opportunities, while exploring innovative pathways for the transformation and upgrading of the livestock industry.Superior Nutrition: Empowering Vietnam’s Livestock Industry for an Efficient FutureFacing common challenges in feed and livestock industry such as raw material cost control, nutritional efficiency, and operational management, NHU relies on its technological advantages to introduce tailored solutions for the Southeast Asian market. Its portfolio includes methionine (both liquid and ruminant types), vitamins, pigments, and taurine. For instance, NHU’s liquid methionine products align with the low-protein diet trend by meeting nutritional needs while offering convenient storage and ease of use. They also help reduce dust during processing, thereby improving and protecting the environment. Meanwhile, the scientific and rational use of Taurine can effectively enhance farming efficiency, improve the quality of aquatic products, and increase the stability and sustainability of farming systems, introducing a new concept to the Vietnamese market where Taurine has rarely been applied in aquaculture.Facing various challenges in the current development of the livestock industry, technological innovation and refined management have become key drivers for sustainable industry development. NHU Animal Nutrition will continue to rely on science and technology, with core products as its foundation and precision nutrition services as its support, to work with customers in addressing industry challenges. By improving animal health and productivity, NHU is committed to contributing its expertise to the high-quality and sustainable development of Southeast Asia’s livestock industry.

View details

NHU Holding Group Ranks Among Top 500 in Both R&D Investment and Invention Patents for 2025

Recently, the All-China Federation of Industry and Commerce released the “Top 500 Private Enterprises by Invention Patents 2025” and “Top 500 Private Enterprises by R&D Investment 2025”. NHU Holding Group once again earned a place on both prestigious lists.Our robust R&D capabilities and solid patent portfolio have secured our continued recognition, highlighting our innovative vitality and strong growth momentum within the industry. This dual achievement reflects our long-term dedication to our core business, our steadfast focus on industrial development, and our active alignment with national strategies. It also reaffirms our pioneering spirit and unwavering commitment to technological innovation and intellectual property protection.For more than three decades, NHU has been deeply engaged in fine chemicals, pharmaceuticals, equipment, and education, continuously strengthening the innovation, industrial, and value chains. Each year, we invest heavily in cutting-edge technology research and product development. Over the past five years, we have invested 5.506 billion yuan in R&D, averaging over 5% of our annual sales revenue.In fine chemicals, NHU has achieved breakthroughs in key technologies that have long constrained the development of vitamin E, vitamin A, PPS, and methionine. In pharmaceuticals, we have established strong product portfolios in cardiovascular and diabetes therapeutics, while advancing research into innovative small nucleic acid drugs.By the end of 2024, NHU held 1,020 valid domestic patents and 129 valid international patents. In addition, research outcomes from our university collaborations have received one China Patent Gold Award and one Silver Award, reinforcing our commitment to building a solid foundation for sustainable development.

View details

From Strength to Strength: NHU Upgrades to “A” in MSCI ESG Rating

Recently, MSCI (Morgan Stanley Capital International), a globally recognized leader in international index services, announced its latest annual ESG (Environmental, Social, and Governance) ratings. Thanks to our continued ESG practices and outstanding performance, our rating has risen from “BB” in 2024 to “A” in 2025, marking authoritative international recognition of our capabilities in sustainable development. A robust and efficient ESG governance system is the bedrock of sustainable business growth. Guided by our mission of “Creating Wealth, Elevating Employees, and Benefiting Society”, we have deeply integrated ESG management into every aspect of our operations and strategic development, working to deliver long-term, sustainable value. In 2024, in alignment with China’s dual-carbon strategy, we accelerated our transformation toward a high-end, intelligent, and green industrial model. Through continuous product innovation and R&D, ongoing optimization of our HSE and energy management systems, and the advancement of digitalization, we have achieved notable milestones. NHU was named one of the first key incubation units for “Zero Waste Enterprise Groups” in Zhejiang Province, and several of our subsidiaries earned honors including “National Green Factory”, “Provincial Zero Waste Factory”, and “Provincial Smart Factory”. While pursuing high-quality growth, NHU has actively engaged in public welfare—supporting education, alleviating medical burdens, and advancing rural revitalization—demonstrating a strong sense of responsibility through concrete actions. Driven by the belief in innovation for good and the vision of sustainable development for people and society, we continue to uphold our philosophy of green development. Looking ahead, we will further strengthen our ESG practices, pursue sustainable and high-quality growth, and create greater value for shareholders, customers, employees, and society—contributing to a better life for all. The MSCI ESG Rating is a widely recognized global benchmark used by international investment institutions to assess corporate ESG risk management and performance against industry peers across seven core dimensions, including climate change, labor rights, and corporate governance. The rating influences capital flows and serves as a critical tool for companies seeking to enhance global recognition and optimize financing capabilities. 

View details

NHU Made its Mark at the 2025 IUPAC World Chemistry Congress

From July 12 to 19, the 53rd IUPAC General Assembly & the 50th World Chemistry Congress took place in Kuala Lumpur, Malaysia, under the theme “Chemistry for a Sustainable Future”. Mr. Li Haoran, Honorary Dean of the NHU Research Institute, Ms. Yu Lili, Assistant Dean and Deputy Director of the Product R&D Department, and Mr. He Qiyang, Deputy Director of the Science and Technology Cooperation Department, joined over 3,000 chemists from around the world to explore the vital role of chemical science in addressing global sustainability challenges. At the opening ceremony, the winners of the 2025 IUPAC–Zhejiang NHU International Award for Advancements in Green Chemistry, jointly established by NHU and IUPAC, were officially announced. Javier Pérez-Ramírez from ETH Zurich received the Experienced Chemist award. The Young Chemist awards were presented to Jianbin Li (Chinese University of Hong Kong), Philip Stanley (Technical University of Munich), and Sahel Fajal (Indian Institute of Science Education and Research). IUPAC President Ehud Keinan and Professor Li Haoran jointly presented the certificates and extended warm congratulations to the awardees.On the afternoon of July 16, Professor Li Haoran delivered a special lecture titled “Green Oxygenation Mediated by Geminal-Diol Type Species” at the academic forum. He presented NHU’s innovative pathway for phenol-to-quinone conversion in the production of vitamin E and vitamin K3, showcasing a clean and efficient synthesis method for trimethylbenzoquinone and hydroquinone. This breakthrough provides a new green solution for sustainable development in the vitamin industry. Professor Pérez-Ramírez also delivered an award lecture and praised NHU’s spirit of innovation.The IUPAC–Zhejiang NHU International Award for Advancements in Green Chemistry is the first academic award co-established by a Chinese enterprise and IUPAC, covering all leading-edge areas of green chemistry. Now in its fourth cycle, the award has recognized 16 outstanding chemists worldwide and continues to draw significant attention from the global chemical community.The creation of this award reflects NHU’s founding vision of Creating a Better Life through Chemistry, as well as its enduring commitment to advancing green chemistry and promoting sustainable industrial development. NHU aims to unite scientific excellence, ignite innovation, and foster deeper integration among industry, academia, and research—working together to drive the industry forward in a green, high-end, and sustainable direction.

View details

NHU Successfully Concluded Mid-Year Meeting and Strategic Planning Seminar

From July 25 to 26, 2025, the Group's Mid-Year Meeting and Strategic Planning Seminar were successfully held in Xianghu, Hangzhou. More than 40 executives from the Group and its subsidiaries, along with key functional leaders, came together to outline the blueprint for the 15th Five-Year Plan.At the start of the meeting on July 25, Shi Guanqun, Group Director and Vice President of the stock company, delivered a report on the Group’s business performance. Despite a complex and rapidly evolving global economic landscape in the first half of 2025, the Group remained committed to innovation-driven development. All core business sectors achieved steady growth, demonstrating strong resilience and growth potential.Chairman Hu Baifan then presented a strategic keynote. He emphasized that, rooted in humanity’s pursuit of a better life, NHU has established comprehensive strengths in technology, talent, and industrial platforms through relentless scientific research and innovation. In the face of historic transformations driven by technological revolutions—such as AI and new energy—during the 15th Five-Year Plan period, Mr. Hu stressed that NHU must both consolidate its existing advantages to build a strong “moat”, and develop forward-looking insights to anticipate future trends and market dynamics. He noted that NHU must not only respond to current market demands by advancing technological innovation but also harness cutting-edge technologies to identify emerging needs and new opportunities arising from industrial transformation—achieving a dual engine of technology and demand. Through continuous innovation and efficient resource integration, NHU should strive to stand out amid fierce competition. Drawing on a gap analysis of the 14th Five-Year Plan, Mr. Hu shared key strategic reflections and actionable insights on areas such as technological leadership, trade secret protection, and talent development—providing clear direction for the Group’s next stage of growth.Participants then held group discussions based on Mr. Hu’s report, engaging in in-depth exchanges and sharing their perspectives on the “15th Five-Year Plan” strategy in light of their respective business practices. This cross-segment sharing sparked mutual inspiration and generated valuable input for the formulation of the new strategic plan.  In closing, Mr. Hu emphasized the importance of seizing the momentum of the times. He called for NHU to uphold its “teacher culture”, foster a learning-oriented organization, and deepen collaboration with leading domestic and international enterprises and research institutions. At the same time, he urged a continued focus on core businesses, resource integration, and product excellence—so as to meet evolving market demands with high-quality offerings and contribute NHU’s strength to advancing the industry and society at large.

View details

Among World’s Top 5%! NHU Honored with EcoVadis Gold

Recently, NHU was honored with the EcoVadis Gold Medal, recognizing our outstanding performance across key sustainability dimensions including environmental protection, labor and human rights, business ethics, and sustainable procurement. This places NHU among the top 5% of all companies assessed globally, underscoring our unwavering commitment and significant achievements in sustainable development.As a dedicated advocate of sustainability, NHU has consistently adhered to the business philosophy of “Creating Wealth, Achieving Balance, and Sustaining Development”, embedding ESG principles deeply into our strategic planning and operational practices. Through initiatives such as the construction of a green production system, enhanced collaboration along the industrial chain, and improved employee development mechanisms, NHU has effectively aligned economic performance with social value, continuously generating shared value for all stakeholders.NHU has always put innovation at the core of our development strategy, focusing on advancing green technologies, resource efficiency, and low-carbon solutions. By driving technological, product, and management innovation, NHU has enhanced both the environmental and comprehensive performance of our product portfolio, injecting strong green momentum into the industry’s sustainable growth.NHU continues to optimize our energy management systems and promote efficient resource utilization. In the past year, we achieved a 7.67% reduction in energy consumption intensity and a 6.50% decrease in COD per 10,000 RMB of output value. Leveraging our R&D capabilities, NHU has also made significant strides in green process technologies, markedly reducing wastewater, emissions, and solid waste generation while improving waste resource utilization—advancing our goal of achieving clean production.In our supply chain management, NHU applies stringent entry standards, audits, and risk controls. A rigorous supplier screening and review system evaluates suppliers on business practices, certifications, quality, environmental performance, and safety standards. NHU has established long-term partnerships with suppliers aligned with sustainable development values, ensuring supply chain compliance in areas such as quality, environmental protection, and social responsibilities.Upholding the principle of “people-centered rapport”, NHU places employees at the heart of our development. Guided by a unique “teacher culture”, we foster employees’ career growth and happy life through mentorship and initiatives such as “five visits and five talks”, OHS training, and holistic support for employee wellbeing. NHU is committed to cultivating an inclusive, diverse, collaborative, and innovative organizational environment that enables both employee and enterprise growth.The EcoVadis Gold Medal is not only a powerful endorsement of NHU’s sustainability practices, but also serves as a “green passport” for our products to access the international high-end market. Moving forward, NHU will continue to uphold our mission of “Exploring Chemistry, Improving Life”, leveraging technological innovation to empower products and services, advancing progress and innovation throughout the value chain, protecting employee and community wellbeing, and contributing to the development of a healthy, low-carbon global industrial ecosystem.

View details

List Announced: NHU Clinched Tianma Award for Seventh Straight Year

On June 13, the 16th China Listed Company Investor Relations Forum, organized by Securities Times (under the management of People’s Daily), was held in Yangzhou, Jiangsu. At the event, the winners of the “Investor Relations of China Listed Companies” Awards were announced. After self-nomination, professional screening, expert review, and regulatory review, NHU received the “Tianma Award for Investor Relations Management” in recognition of our strong corporate governance, high quality information disclosure, and excellent investor relations. Meanwhile, Board Secretary Shi Guanqun was honored with the “Outstanding Board Secretary for Investor Relations Management” award, reflecting the capital market’s strong recognition of NHU’s long-term, steady growth.Since listing, NHU has adhered to our corporate purpose of “creating wealth, elevating employees, and benefiting society” and our business philosophy of “creating wealth with balance and sustainability”. We have been driving growth through innovation, strengthening core businesses, and enhancing competitive advantages, while rewarding investor trust with a transparent and efficient communication mechanism and steadily rising performance. NHU actively promotes the “dual improvement in quality and returns” action plan, continuously strengthens corporate governance, and improves standardized operational capabilities. We have been rated “A” in information disclosure by the Shenzhen Stock Exchange for 16 consecutive years. In investor relations, NHU strives to build mutual trust and shared interests, allowing investors to benefit from our growth. Since listing, NHU has paid out a total of 15.5 billion yuan in cash dividends.Looking forward, we will stay true to our original aspiration, remain grateful to our market and investors, and continue working to raise our intrinsic value, deepen investors’ sense of gain, and contribute to the sustainable development of the market.

View details

NHU Shined with Multiple Awards at Launch of 2025 Shaoxing "Enterprise Support Action" Series

On May 27, the launch ceremony for the 2025 Shaoxing “Enterprise Support Action” series themed “Growing Together, Innovating for the Future” was held at Shaoxing Hotel. Company Vice President Zhang Liying, Deputy Director of the Research Institute’s Science and Technology Cooperation Department He Qiyang, and Liang Saibin, Manager of the Comprehensive Service Department of the Animal Nutrition Products Division and Head of the Comprehensive Management Office, attended and received the award on stage.At the event, NHU was recognized as one of China’s top 500 private enterprises from Shaoxing in 2024. Additionally, we ranked among the top 10 private enterprises in Shaoxing for both R&D investment and foreign trade exports in 2025, showcasing our strong capabilities in technological innovation and global growth.In Shaoxing—a vibrant hub of the private sector—NHU has been consistently driving innovation and embracing its mission to serve the nation through industry. We have overcome foreign technology bottlenecks in vitamins, methionine, and flavors and fragrances, transforming from a follower to a leader. This success stems not only from NHU’s internal drive for continuous innovation but also from the support of all levels of government and the trust of its partners.Looking ahead, NHU will continue to advance its “chemical+” and “biological+” strategies, integrate further into the global industrial chain with an open and innovative approach, accelerate digital transformation, and deliver high-quality products worldwide through more efficient smart factories and greener processes. In this wave of “Growing Together, Innovating for the Future”, NHU looks forward to working with more partners to write a new chapter of “Great Cities Cultivate Great Enterprises, and Great Enterprises Elevate Great Cities”.

View details

Uncovering NHU’s "Big Moves" at the Feed Industry Exhibition

On April 18, the 2025 China Feed Industry Exhibition officially kicked off at the Qingdao International Convention and Exhibition Center.As a global innovator in animal nutrition, NHU put the spotlight on technological innovation, making a strong presence at the event with a diverse lineup of products and solutions. On site, NHU joined experts, scholars, and industry leaders in exploring cutting-edge trends and innovative technolgies of the field.The NHU booth (B2A240) quickly became a hotspot at the exhibition, drawing crowds of professionals eager to learn more. NHU welcomed both new and long-time partners, sharing its journey of growth and development through open exchange. So, what “Big Moves” did NHU have up its sleeve at the exhibition? Let’s find out together!Exciting New Products Take Center StageThe products showcased by NHU became one of the standout highlights of the exhibition’s opening day:TaurineKnown for its role in maintaining cellular homeostasis, synthesizing bile acids, and regulating lipid and carbohydrate metabolism, taurine is key in formulating low-fishmeal feeds, easing breeding stress, and boosting animal growth performance.Vitamin B5As a crucial component of coenzyme A, vitamin B5 is involved in vital metabolic processes such as the citric acid cycle, choline acetylation, and antibody synthesis. It helps slow cell apoptosis, reduce oxidative stress, prevent diseases, and enhance reproductive performance in animals.TryptophanAs an essential limiting amino acid, tryptophan is vital for supporting feeding behavior, growth, immunity, and protein synthesis in animals. With proven efficacy and reliable performance, these products not only improve animal productivity but also help reduce feeding costs—earning NHU strong trust and praise from customers across global markets. Green Developmetn: Building a Better FutureGreen Innovation Takes Center Stage Under the “Dual Carbon” GoalsAnimal nutrition additives play a vital role in enhancing food quality and safety, reducing environmental impact, and promoting animal welfare. NHU’s product lineup—including methionine, vitamins, and pigments—offers animals comprehensive and balanced nutrition, minimizing the overuse of antibiotics and supporting the sustainable development of the breeding industry.NHU is also committed to advancing low-emission products through biological fermentation, addressing personalized customer needs while building a green industrial chain throughout the entire product lifecycle.Take vitamin B5 as an example: NHU uses corn as a raw material and applies a green and efficient biosynthesis process to achieve large-scale production through a one-step biological fermentation method. This innovative approach cuts emissions of the “three wastes” (waste gas, wastewater, and solid waste) by more than 30% compared to traditional chemical synthesis, while reducing carbon dioxide emissions by over 25%. In feed applications, it also helps preserve key nutrients like amino acids, enzymes, and lipids, enhancing product absorption and bioavailability.Precision Nutrition Empowers Healthy Breeding As a key global supplier of feed additives, NHU is committed to its core mission: providing comprehensive nutritional support for human health. Backed by strong R&D capabilities, advanced equipment, and cutting-edge technology, NHU conducts in-depth research into the challenges faced by the breeding industry. By continuously expanding its product portfolio, NHU delivers high-efficiency nutritional solutions that drive the high-quality development of the industry.NHU offers tailored nutritional strategies for various animal species and life stages. For instance, rumen-protected methionine helps balance amino acid nutrition, boosts nitrogen utilization in ruminants, reduces nitrogen emissions on farms, and lowers the carbon footprint of ruminants. Taurine, when combined with nutrients like vitamin C and B vitamins, enhances the digestion and absorption of proteins and fats in aquatic species while strengthening their stress resistance. Additionally, canthaxanthin and apo-ester improve the quality of livestock and poultry products and help regulate yolk and broiler skin coloration.Today, NHU's scientific and targeted animal nutrition solutions have reached partners in over 100 countries and regions, supporting farmers worldwide in increasing income and improving livelihoods.As the China Feed Industry Exhibition continues, NHU remains committed to openness and collaboration, and will continue to actively engage with industry peers around the globe, expand its product offerings, and deliver innovative solutions to meet the evolving nutritional needs of animals—driving forward the efficient and sustainable development of the breeding industry.

View details

No Friday Overtime - WeChat me now!

On the evening of April 18, as the city lights slowly flickered to life, the Wind Bell Courtyard in Xinchang transformed into a dreamy setting for a starlit encounter. The youth event, themed “Meet at Qixing, Fall at First Sight” co-hosted by the Youth League Committee and Federation of Trade Unions of Qixing subdistrict and NHU, brought together 40 young people for a night of connection, laughter, and possibility.At NHU, empowering employees is woven into our DNA. We believe that real happiness comes not just from career achievements, but from feeling truly seen and connected. This event, part of NHU’s ongoing “Caring for Employee Growth” initiative, was created to offer young professionals a chance to build genuine connections. Our hope is that as they grow in their careers, they’ll also discover lasting friendships—and maybe even meet someone special to share life’s journey with. Game On, Heart InThe Surprise PickThe clue cards handed out at check-in stirred up a buzz before the event even kicked off. With fun hints like “round face”, “a pearl necklace with a little bear”, and “freedom for cats”, conversations started naturally.  The Bottle Game: Where Touch Meets Heartbeat"Touch your hair!" "Spin around!" With the host's playful prompts, the once-reserved crowd quickly warmed up, laughter bubbling through the group. When the charming Xiao Wang, who missed out on grabbing the bottle, shyly introduced himself with flushed cheeks, no one guessed that a girl would later take the first step—adding him on WeChat.Fireside Vibes After DarkDuring their free time, a few young people gathered together to chat about work and life. "I didn’t realize your job was so challenging", one said. "What a coincidence, I also love cycling!" These shared moments of connection helped them bond and feel closer.More Than Networking: A Reflection of Company CareTo "retain" young talent, the first step is to ensure they "thrive."Beyond offering a broad career development platform, NHU places great emphasis on the holistic growth of its employees. Through regular events like My Story Talk, skill competitions, and networking events, every team member can find a sense of belonging. As Xiao Li, a developer who attended the event, shared: "Usually, my routine is just lab to dorm, dorm to lab. But today, I not only met some new friends, but also felt the company’s real care for our personal lives. Honestly, it’s the type of company I can imagine myself growing with for a long time.”Moving forward, NHU will continue to embrace the philosophy of "retaining talent through career and emotional connection", allowing more young talents to thrive in career while finding happiness in Xinchang, ultimately realizing the inspiring vision of "putting down roots in Xinchang and NHU".  

View details

NHU IPDI Pioneers the Future Through End-to-End Innovation and Green Technology

From March 25 to 27, 2025, the global coatings industry turned its attention to the European Coatings Show (ECS) in Nuremberg, Germany. As an innovator in new materials, NHU showcased a diverse range of products, including IPDI, highlighting sustainable solutions across wind power, automotive, construction, electronics, and coatings industries. Engaging in in-depth discussions with global customers and partners, NHU aims to explore technological trends and market opportunities while driving global sustainable development through end-to-end integration and green innovation.IPDI: The "Golden Key" to High-Performance Polyurethane MaterialsAs a benchmark product among alicyclic diisocyanates, isophorone diisocyanate (IPDI) has established itself as a premium raw material in high-end coatings, elastomers, and adhesives with its three core advantages—controlled reactivity, exceptional weather resistance, and eco-friendly properties. Leveraging a fully integrated industry chain (IP-IPN-IPDA-IPDI) and cutting-edge technology, NHU has enhanced IPDI’s performance, expanding its applications across diverse sectors.Cutting-Edge Technology Sets the Standard for Excellence· Lean Manufacturing: Utilizing the phosgene process, our production ensures industry-leading batch stability, with product purity reaching 99.5%. Performance aligns with top international standards, meeting the rigorous demands of automotive OEM paint, electronic packaging, and other high-end applications.· Closed-Loop Green Production: A fully closed-loop system minimizes VOC emissions, exceeding EU environmental standards and supporting customers in achieving regulatory compliance and low-carbon transformation.· Global Certifications: Certified under ISO 9001 and ISO 14001, each batch undergoes comprehensive testing (TDS/COA), ensuring full traceability and fostering customer trust from the source.Robust Global Capabilities for Swift Response· Self-Sufficient Vertical Industry Chain: From upstream raw materials to finished products, an integrated supply chain ensures cost efficiency and consistent quality.· Seamless Domestic and International Warehousing: With a production hub in China and a warehousing center in Germany, delivery cycles are reduced by 30%, enabling agile responses to regional procurement demands and providing customers with localized service.· 48-Hour Emergency Support: Partnering with global logistics leaders, we maintain a secure inventory system, mitigating supply chain disruptions and ensuring timely fulfillment of urgent customer needs.Technology-Driven Solutions and Tailored Services· Addressing Industry Challenges: Our expert team offers formulation optimization and process adaptation services, effectively overcoming issues like polyurethane yellowing and poor weather resistance—delivering superior performance compared to traditional materials.· Collaborative Innovation: By leveraging open laboratory resources, we co-develop advanced applications such as water-based polyurethanes and UV-curable coatings with customers, driving technological advancements across the industry.IPDI’s Versatile Applications: From Automotive to AerospaceNHU’s IPDI, known for its exceptional adaptability and high performance, is driving multiple industries toward premium quality and sustainability:· Automotive Manufacturing: IPDI-based polyurethane coatings offer over a decade of weather resistance, making them ideal for original automotive paint and interior bonding, enhancing premium quality of OEM solutions.· Construction & Electronics: With superior hydrolysis and UV aging resistance, IPDI is the material of choice for building curtain wall sealing and electronic packaging.· Aerospace: Its low vapor pressure and high stability meet the rigorous demands of rocket propellant adhesives and high-temperature-resistant insulation materials.· Medical & Environmental Protection: Produced through a greener process, IPDI is safer than traditional aromatic isocyanates, making it well-suited for applications in medical devices and water-based leather, supporting eco-friendly advancements.Amid global resource and climate challenges, NHU remains committed to the philosophy of "Chemistry for a Better Life", prioritizing innovation to create value for industries, society, and the environment. The launch of IPDI represents not only a technological breakthrough but also a steadfast commitment to green manufacturing. With end-to-end integration, cutting-edge technology, and a global presence, NHU has secured a leading position in the international new materials sector. Looking ahead, we will continue advancing high-performance materials and collaborating with global partners to deliver more efficient and sustainable solutions across the industries including automotive, construction, electronics, and coatings. 

View details

E-Heart Care, NHU’s Program to Elevate Employee Well-Being

In today’s fast-paced society, work stress, life challenges, and physical exhaustion are triggering a silent "burnout crisis" among modern professionals.To prioritize employee well-being, professional growth, and life satisfaction—while enhancing psychological resilience, relieving work stress, and fostering emotional connection—NHU launched the E-Heart Care program on February 28. The 24-hour mental health support hotline was also activated, marking a big advancement in our employee care system. This program has received strong backing from relevant institutions and departments. From the top-level design and system development to its execution, it has been carefully guided to ensure it is well structured and implemented. At the launch event, Mr. Hu Baishan, Vice Chairman and President of NHU, emphasized the importance of employee care from societal and corporate perspectives. He noted that prioritizing staff well-being aligns with social responsibility, corporate culture, and long-term growth. He called for a structured care system shaped by leadership emphasis, policy refinement, managerial engagement, and innovative approaches, urging all employees and managers to collaborate in fostering a harmonious and dynamic workplace for a better future. Mental health expert Professor Wang Guoqiang gave a lecture on the role of EAP (Employee Assistance Programs) on corporate development, addressing workplace stress and common mental challenges. Drawing on his experience and expertise, he shared practical strategies for self-care and effective communication, offering actionable insights for managers to enhance team performance and optimize leadership. His lecture was rich in practical knowledge, offering valuable takeaways for the attendees.Supported by a team of experts, the event featured interactive sessions: one-on-one counseling, stress-relief brainwave analysis, OH card self-exploration, TCM auricular acupuncture, and health consultations. These services—praised for their professionalism and personalized care—helped participants reconnect with themselves, process emotions, relieve stress, and recharge. Employee well-being and growth are critical to corporate success. NHU has long prioritized the value of talents, fostering a "mentorship culture" and a supportive workplace through initiatives like employee interviews, health checkups, mental wellness workshops, hardship assistance, and diverse team-building activities. Complementing these efforts, NHU also champions a culture of continuous learning via rotation systems, knowledge-sharing platforms, and mentorship-coaching frameworks. This ensures holistic support for employees’ careers and well-being, enhancing their sense of belong and security while strengthening team cohesion and driving steady and sustainable corporate progress.

View details

Giving blood, Giving Love

In response to the call for blood donation and to help meet the clinical blood needs of local hospitals, NHU organized a blood drive on December 18th in collaboration with the Xinchang County Health Bureau. 31 employees from the headquarter and Xinchang production base enthusiastically volunteered, donating a total of 8,200 ML of blood. Committed to a long-term vision and the value of social contribution, NHU has consistently held blood drives for over 20 years, offering the gift of life to patients in need. This effort exemplifies the spirit of NHU's employees, who are dedicated to supporting the community and taking responsibility for making a positive impact.At 8:30 a.m., as the blood mobile arrived at NHU’s headquarter, many employees were already waiting in anticipation. Guided by staff and professional physicians, our employees registered via QR code and were briefed on the blood donation precautions. After completing a series of orderly preparations, including blood pressure checks, blood collection, and testing, 23 employees who passed the health screenings proceeded to donate blood. Each drop of blood represents a beacon of hope, bringing light to patients in need and spreading love and warmth.After the blood donation, the staff closely monitored the donors' physical condition and well-being. All participants reported feeling fine, expressing their willingness to continue supporting blood donation efforts whenever possible. Many shared that it was deeply meaningful to think that their actions could help save a life. NHU also prepared thoughtful souvenirs for the donors, ensuring that everyone felt the care and warmth of the company.Among the participants were both first-time donors and familiar faces who have donated multiple times. Zhang Lifang, an employee at the Animal Nutrition Research Institute of the Xinchang Base, stands out for her extraordinary commitment to blood donation. For the past 15 years, she has consistently donated, contributing a total of 7,000 ML of blood—far exceeding the total blood volume of an adult."I remember my first blood donation in 2009 when I was still working at the company's old factory. I saw the blood drive, and feeling healthy, I decided to give it a try without overthinking it", said Ms. Zhang. Following that positive experience, she was motivated to continue donating and became a dedicated blood donor. Over the past 15 years, she has participated in 18 blood donation events and received multiple honors, including the Zhejiang Provincial Blood Donation Award and the National Bronze Blood Donation Medal. Furthermore, she registered as a volunteer hematopoietic stem cell donor, further demonstrating her commitment to helping others.However, good deeds are done without expecting anything in return. At NHU, there are many individuals like Ms. Zhang Lifang, who quietly and selflessly contribute through their "good deeds". Their actions, though unspoken, inspire and empower us, reminding us to cherish and care for every life in the world.Since the start of this year, NHU's production bases have actively responded to the call for blood donation, with over 170 participants contributing a total of 55,800 ML of blood. On its path of benefiting society and creating value, NHU has continually moved forward with purpose, spreading warmth along the way. We remain committed to our core values of "Creating Wealth, Elevating Employees, and Benefiting Society", always staying true to the mission behind our operations. In addition to blood donation, NHU has broadened its public welfare efforts by establishing a special fund, organizing volunteer teams, and pursuing initiatives in poverty alleviation, student support, and epidemic relief. Through these actions, NHU exemplifies its comprehensive social responsibility, channels positive energy, and showcases its dedication to social welfare through tangible actions. 

View details

Innovation Fuels the Future, IP Powers Growth | NHU Achieves ISO 56005 Level 4 Certification

In December, NHU has achieved another important milestone in innovation and intellectual property management by successfully obtaining the ISO 56005 Level 4 certification. This accomplishment makes NHU the third company in Zhejiang Province and the first in Shaoxing City to reach this certification level. It not only affirms NHU's continuous dedication but also marks a significant advancement in the company's innovation and intellectual property management. ISO 56005 is the first international intellectual property management standard developed and promoted by China. The highest evaluation level a domestic enterprise can achieve under this standard is Level 4. The main objective of ISO 56005 is to integrate intellectual property management into innovation activities, encouraging a closer alignment between innovation management and intellectual property management, ultimately enhancing both the effectiveness of innovation management and the capacity for intellectual property creation within enterprises. In May of this year, NHU took the lead in adopting the grading evaluation for the international standard ISO 56005, "Innovation Management – Guide to Intellectual Property Management". Through thorough implementation of this standard, we have successfully innovated and optimized our intellectual property management, integrating IP management into every aspect of the innovation process. Additionally, we have clarified the direction, strategy, and implementation pathway for managing intellectual property rights within innovation, with the goal of significantly improving the efficiency, quality, and overall results of our innovation activities. As an innovative enterprise, NHU has always considered intellectual property protection a core element of its development strategy. We have seamlessly integrated intellectual property management with business operations and technological innovation to ensure this strategy is embedded across research and development, production, sales, and other key areas, resulting in a unique and efficient intellectual property management model. In addition to establishing a robust intellectual property management system and process, we have prioritized raising employees' awareness of intellectual property, fostering creative thinking, and promoting the generation of intellectual property. Through continuous investment in R&D, NHU has made significant breakthroughs in various technological fields, successfully converting these innovations into patents, trademarks, and other intellectual property assets. To date, NHU has filed over 1,000 patent applications, holds more than 800 granted patents, owns over 600 valid trademarks, and earned numerous prestigious awards, including two China Patent Gold Awards, one China Patent Silver Award, three China Patent Excellence Awards, and two Second Prizes in the National Award for Technological Inventions, among others.Looking ahead, NHU will continue to strengthen its innovation and intellectual property management strategy. On one hand, we will increase our investment in research and development, focusing on cutting-edge technologies, and consistently introduce new products and technologies with independent intellectual property rights to boost our core competitiveness. On the other hand, we will further enhance our intellectual property management system, improving the creation, application, protection, and management of intellectual property rights to ensure efficient transformation and maximization of their value. Additionally, NHU will actively engage in the development of industry standards and international cooperation on intellectual property protection, contributing to the healthy growth of the industry and the stability of the global supply chain.

View details

2024 Symposium for Innovation Demonstration Companies in the Petroleum and Chemical Industry

The 2024 Symposium for Innovation Demonstration Companies in the Petroleum and Chemical Industry hosted by China Petroleum and Chemical Industry Federation (CPCIF) and organized by NHU was successfully held at the Courtyard Hotel in Xinchang, Zhejiang. This event aimed to bring together key players in the petroleum and chemical industry to explore innovative development pathways, share insights, and seek future growth. Over 50 technological innovation demonstration enterprise and research institutions, along with more than 80 industry leaders, enterprise representatives, and media reporters, participated in the conference.At the outset of the meeting, Li Bin, Vice President of CPCIF, delivered a speech highlighting the crucial role of innovation in driving the transformation and upgrading of the petroleum and chemical industry, while also addressing the current challenges faced by the sector. He strongly acknowledged the positive and exemplary contributions of technological innovation enterprises in advancing the industry's technological progress through the establishment of talent incentive systems and the R&D mechanisms, increased investment in R&D, and efforts to overcome and master key core technologies. Li Bin also outlined expectations and requirements for the future development of technological innovation demonstration enterprises.Mr. Hu Baishan, Vice Chairman and President of NHU, extended a warm welcome to all the guests who had traveled from afar in his speech. He provided an overview of NHU's business development and innovation efforts, expressing gratitude and appreciation for the crucial role played by the CPCIF in creating a high-level communication platform for the petrochemical industry. He also expressed a strong desire to build closer connections with business representatives, experts, and professors, with the aim of exploring cooperation opportunities, sharing resources and risks, and pursuing mutual development.Mr. Wang Yimin, Director of the CPCIF, chaired the meeting and delivered a keynote report on behalf of the Deputy Secretary General Hu Qianlin, titled "Leading Innovation Demonstration: Writing a New Chapter for a Technologically Advanced Nation". In his report, he shared valuable insights and recommendations for the innovation and development of the industry. During the event, attendees also witnessed the awarding ceremony for the 2024 newly recognized technological innovation demonstration enterprises of the industry, with several outstanding companies being honored for their achievements.During the special sharing session, several innovation demonstration enterprises presented valuable insights into their innovation experiences. Professor Li Haoran, Honorary Dean of the NHU Research Institute, discussed NHU's innovative concepts, systems, and capabilities, highlighting the NHU’s achievements in functional chemical R&D, particularly in overcoming technological bottlenecks and fostering high-quality development. Lai Chunbo, Deputy General Manager of the Shanghai Research Institute of Chemical Industry, Liu Wei, Vice President of Research Institute of Shandong Dongyue Group, and Su Lihong, Deputy Director of the Innovation and Development Department of Juhua Group, also shared their respective companies’ innovation experiences, exploring topics such as scientific and technological innovation, result transfer models, and implicit development within the industrial chain. Additionally, Liu Xinzhu, Director of Strategic Projects for Greater China at Yingchuang (Shanghai) Investment Management Co., Ltd., shared insights on the technological innovation strategies of multinational corporations.During the event, the attending leaders, experts, and business representatives also visited NHU.In the face of intensifying market competition, rapid technological changes, the rise of trade protectionism, and the growing tide of anti-globalization, innovation has become the cornerstone for adapting to the evolving global landscape, times, and challenges. As an innovative enterprise, NHU will remain committed to its strategic focus on "Chemical+" and "Biological+" while adhering to development principles of "integration, serialization, and scalability". We will concentrate on key sectors such as life and health, new energy, and green technologies, aiming to enhance open cooperation, strengthen collaborations between industry, academia, and research institutions. By adopting an open, cooperative, and globally-oriented approach, we will promote technological integration and innovation, striving for high-quality and sustainable development.

View details

Seminar: Pioneering Industry Innovation and Shaping the Future of Animal Nutrition

On September 13th, the NHU 2024 Animal Nutrition Technology Symposium commenced in Changchun. The event brought together numerous industry stakeholders to explore the latest research and applications in animal nutrition, offering valuable insights and solutions for enhancing the quality of the farming sector. Presentation: Uncovering New Horizons in Animal NutritionDuring the presentation session, experts shared their recent research findings and applications in animal nutrition. Topics included advancements in vitamins, trace elements, and rumen protected methionine (RPM), showcasing cutting-edge technology and innovative concepts for the industry.  Animal Nutrition Spotlight: What is NHU up to?Dr. Jiang Zhirong, Chief Consultant for Animal Nutrition Research at NHU.Introduction to NHU's Animal Nutrition DivisionDr. Jiang Zhirong provided an overview of NHU's animal nutrition division. As a key global provider of feed additives, NHU aims to "offer adequate nutritional support for human health". NHU leverages robust R&D capabilities and cutting-edge technology to conduct in-depth studies on the challenges faced in the farming industry. We continuously expand our product offerings, deliver effective nutritional solutions, and support the high-quality advancement of both the farming and aquaculture sectors. Currently, NHU has delivered scientific and professional animal nutrition solutions to partners in over 100 countries and regions, helping farmers increase their income and creating better lives.  The Secrets of Vitamins: Insights on Vitamin Selection and ApplicationDr. Zhang Lei, Head of Animal Nutrition Research at NHUFactors to Consider in Vitamin Selection and ApplicationVitamin products face distinct challenges in distribution, storage, and use due to their specific properties. It is crucial to systematically tackle issues related to their consistent distribution in feed, stability during processing and storage, and biological efficiency in animals. Dr. Zhang Lei presented NHU's research on choosing commercial vitamin forms, the key factors impacting vitamins in premixes and feed processing, and important precautions to keep in mind. Micronutrient Challenges: Innovative Solutions from NHUDr. Gong Yangyang, Head of Aquatic Animal Nutrition Research at NHUChallenges and Choices for Micronutrients in a Multi-Formulation SystemMicronutrients like copper, zinc, and manganese are crucial for animal nutrition. With the increased use of unconventional feed ingredients in formulations, the levels of anti-nutritional factors such as phytic acid and tannins have risen, intensifying challenges for micronutrient products, particularly inorganic ones. Dr. Gong shared insights on the evolving anti-nutritional factors in feed ingredients and the selection of micronutrient products in this complex formulation landscape. Breakthroughs in Rumen Protected Methionine: Supporting Dairy FarmingDr. Hou Yu, Head of Ruminant Nutrition Research at NHUDevelopment and Application of NHU’s Rumen Protected Methionine ProductsAddressing the current challenges in dairy farming, Dr. Hou Yu discussed strategies to enhance the feed conversion rate of dairy cows and lower feed costs per kilogram of milk through genetic, physiological, management, environmental, and nutritional adjustments. He emphasized that achieving a balanced amino acid profile can improve nitrogen utilization in ruminants, decrease nitrogen emissions from pastures, and lower the carbon footprint of ruminant production.  Unlocking Animal Dietary Nutrition: The Key to Enhancing Beef and Lamb QualityProf. Diao Qiyu, Expert from the Chinese Academy of Agricultural SciencesImpact of Nutritional Composition in Animal Diet on Growth Performance and Meat QualityProfessor Diao Qiyu, a renowned ruminant nutrition expert, explored strategies to enhance the quality of beef and lamb through dietary regulation. He provided an in-depth overview of the beef and lamb industries, highlighting the significant effects of nutrition on meat quality and growth performance. Professor Diao emphasized that adjusting nutritional composition can improve meat attributes such as flavor, texture, and fat content. He noted that effective diet formulation not only enhances meat quality but also boosts farming efficiency and promotes the sustainable development of the beef and lamb sectors. This seminar showcased the latest research and technological advancements in animal nutrition while revealing the industry's vast potential. Looking ahead, the animal nutrition field is set to progress towards high quality, increased value, technological innovation, environmental sustainability, and personalized solutions. As an industry player, NHU will leverage its core technology platforms - ‘Chemical +’ and ‘Biological +’ to drive innovation and product development, contributing to the sector's high-quality evolution. We look forward to seeing you at the next event to celebrate the industry’s progress together!

View details

Right on the Spot: Poultry Nutrition Symposium Shijiazhuang Station

On July 5, the NHU 2024 Poultry Nutrition Symposium in Shijiazhuang was successfully held, attracting a large array of suppliers and partners. This event facilitated significant exchanges and resource integration within the poultry farming sector. Attendees shared their insights, focusing on enhancing the integration of the upstream and downstream of the poultry farming industry, thereby injecting robust momentum into the prosperous development of the nutrition and health industry. 01 Sharing Minds and Building StrengthWang Yujie, Product Manager, Vitamins & Carotenoids, NHUExploring NHU: An Overview of Animal NutritionPremium Products, Comprehensive ServicesMs. Wang Yujie presented an overview of NHU's animal nutrition division, highlighting its role as a key global supplier of feed additives. She noted that NHU, with its advanced R&D and production technologies, is continuously expanding its product range and driving industry advancements through effective nutritional solutions. Currently, NHU offers scientific and professional animal nutrition solutions to partners in over 100 countries and regions, increasing farmers’ income and improving quality of life.  Zhang Lei, Head of Animal Nutrition Research, NHUThe Benefits of Taurine in Poultry FeedHow Taurine Emerges as the “New Game Changer” in Animal FarmingDr. Zhang Lei provided a detailed analysis of taurine's various functions within the animal body, emphasizing its potential and benefits when used in poultry feed. He recommended incorporating taurine into early poultry feed, feed for late-stage laying hens, and feed for birds under heat stress. As a leading taurine manufacturer, NHU remains committed to innovation-driven development, continuously advancing the research, development, and enhancement of taurine products and technologies. NHU is actively exploring and expanding the innovative applications of taurine in the feed industry, aiming to improve animal health and support the sustainable growth of the animal farming sector.  Li Mengying, Technical Service Manager, NHUEsseention Red & Yellow? - Color and Health, You can Have Them Both in PoultryColor Matters As Much As Health in Livestock ProductsThe “color appeal” of livestock products significantly influences consumer perception. The color of products like egg yolks is determined by the carotenoid content and type in the feed. NHU has developed a complete production chain for Canthaxanthin (Esseention Red?) and β-Apo-8′-carotenoic acid ethyl ester (Esseention Yellow?) and conducted extensive research on their applications. Ms. Li Mengying provided a detailed explanation on selecting pigment products, application solutions, and key considerations for addressing various coloring needs in animal breeding, helping farmers enhance their product competitiveness.  Prof. Zhou Yanmin, Nanjing Agricultural UniversityFeatures of Late-Stage Laying Hens and Feed Strategies to Boost ProductivityHow Should the Late-Stage Laying Hens be Managed? Given the challenges of cost, profitability, and demand, extending the peak laying period of laying hens, enhancing their productivity, and improving egg quality in the later stages have become key industry concerns. In this context, Prof. Zhou discussed nutritional strategies, raw material choices, and the use of functional products, highlighting the roles and effects of taurine, amino acid chelates, vitamin E, and other products in managing the late stage of laying hens.02 Exploring Issues and Exchanging InsightsAt the conclusion of each presentation, attendees engaged in detailed discussions with experts about product applications, technical optimizations, and industry trends. This interactive exchange not only enhanced participants' comprehension of the benefits of animal nutrients in poultry feed but also offered new ideas and methods for addressing practical issues, fostering innovative thinking and collaboration within the industry. For NHU, this forum served as both a learning and networking opportunity, as well as a platform for broadening perspectives, building professional connections, and advancing industry progress.  

View details

Bota Bio's Technology is Commercialized at NHU with A Successful Strategic Partnership Established

XINCHANG, China, HANGZHOU, China, and SAN FRANCISCO, USA–June 21, 2024 – NHU and Bota Bio have announced the successful commercialization of their first collaborative project and the establishment of a strategic partnership to cooperate in the field of biomanufacturing. This alliance, rooted in NHU's dedication to innovation and Bota Bio's proprietary full-stack strain development platform, aims to rapidly and efficiently translate cutting-edge biotechnological achievements into industrial value.NHU has always been dedicated to building a "Bio+" platform. By developing high-performance microbial strains with genetic engineering and synthetic biology technologies, NHU is devoted to producing a variety of high-value-added products in a green, safe, and stable manner. These products are widely used in pharmaceuticals, food, and feed, among other fields. As an industrial biotechnology company, Bota Bio has developed end-to-end technical capabilities from bio-computation and design to high-throughput screening, laboratory-scale validation, process optimization, pilot scale-up, and industrial production. Leveraging their respective strengths, NHU and Bota Bio have fully shared their platform technologies to develop a new generation of industrial strains and processes with higher production efficiency. This collaboration has successfully achieved scalable production and green upgrades. To date, this project has generated substantial economic benefits for both entities, with expectations for continued growth.This partnership not only marks another successful instance of NHU's adoption and application of world-leading biomanufacturing technologies for production and commercialization, but also highlights the ongoing collaboration with Bota Bio to advance frontier biotechnology in the industrial sector. Moving forward, NHU will continue to embrace the philosophy of "open cooperation" and collaborate with Bota Bio to drive continuous innovation and development in industrial biotechnology. Together, they aim to deliver greener high-quality products and sustainable solutions to consumers.About NHUZhejiang NHU Co., Ltd. (abbreviated as NHU) was founded in 1999 and listed in 2004 with the stock code of 002001. Since the inception, we have been firmly holding on to the belief of developing through innovation and thriving in competition. Specializing in functional chemicals with an emphasis on nutritional chemicals, aroma chemicals and polymers, NHU devotes itself in the stages of R&D, production, sales, and service of the products. We offer integrated solutions to customers across over 100 countries and regions in a wide range of domains including nutrition & health, personal and home care, transportation, environmental protection, and new energy. Leveraging our quality, healthy, green, and low-carbon products, we are committed to improving quality of life for all and generating lasting values for stakeholders. Currently ranked among China’s top 100 fine chemical companies and top 100 listed companies, NHU is doubling its effort to rise to the top of the world’s functional chemical industry. For further information, please visit http://www.usdvl.com/enAbout Bota BiosciencesBota Biosciences is a global industrial biotechnology company connecting biological design to scale-up manufacturing to accelerate shifts to sustainable living. Bota has built an integrative bioengineering platform, to develop and implement efficient, eco-friendly, and cost-effective biomanufacturing technologies. Committed to its mission, Bota established its own pilot plant and manufacturing facility, affirming its dedication to offering scalable industrial solutions and market-ready products. This infrastructure strengthens support for customers and partners across industries such as nutrition, food, personal care, and animal health. Powered by a dynamic, multidisciplinary team, Bota Bio channels biotech innovations to create a global impact. For further information, please visit http://bota.bio/en

View details

NHU organized the 2024 NHU Human Nutrition High Quality Development Forum

To advance the realm of human nutrition products and address the increasing market needs, NHU organized the 2024 NHU Human Nutrition High Quality Development Forum on May 30th in Xinchang. Over 130 experts, scholars, and key customers convened at the event to discuss the innovative technologies and sustainable development within the nutrition and health sector. Staying True to Original Aspirations, Embracing Mission with ResolveDuring his opening speech, Mr. Hu Baifan, Chairman of the Board of Directors, underscored NHU's commitment to "Prioritizing Nutrition for a Healthy China". He emphasized that NHU remained committed to its mission of Exploring Chemistry, Improving Life, closely tracking industry development, and establishing the Human Nutrition Business Unit to provide quality products and solutions that enhance safety, health, and nutrition. Mr. Hu expects that this forum will unite the insights of industry leaders to collectively chart the future trajectory of the nutrition and health sector. Innovation-driven Development, Open CooperationMr. Hu Baishan, Vice Chairman and President, showcased NHU's strength in innovation and belief in open cooperation. Leveraging the dual technology platforms of ‘Chemical+’ and ‘Bio+’, NHU effectively transforms basic chemical raw materials into high-value functional chemicals. Backed by a stellar R&D team and advanced research infrastructure, NHU has achieved breakthroughs in numerous key technologies, earning multiple national accolades. Simultaneously, NHU embraces a philosophy of open collaboration, harnessing global resources and partnering with industry leaders to drive technological innovation and facilitate industrial advancement collectively. Forging the Future via Strategic CollaborationDuring the forum, NHU formalized a strategic cooperation agreement with Academician Chen Wei's team and a novel R&D entity, the Wuxi Research Institute of Special Food and Nutritional Health. This alliance aims to leverage each other's strengths, pool resources, and jointly drive innovation and advancement in the probiotics sector, infusing fresh dynamism into the nutrition and health industry. Experts Gathering, Wisdom BlendingThe forum invited 11 well-known experts and scholars to make reports, covering a variety of fields such as nutrition and sustainable development, public nutrition and health, basic nutrition research and so on. With their profound knowledge and rich experience, the academicians and experts presented a wonderful academic feast for the guests. The collision of ideas and wisdom mingled to point out the way forward for the development of the industry. Looking to the Future, Building a Better Future TogetherMs. Hu Shaoyi, General Manager of the Human Nutrition Business Unit, highlighted NHU's extensive involvement in the research and development, as well as production, of food-grade vitamin preparations since 2004. Through continuous innovation and rigorous quality management, NHU has built a diverse product line and earned the trust of both domestic and international customers. Going forward, NHU plans to introduce additional high-quality products leveraging its technological expertise and the assurance of a comprehensive industrial chain to further advance the high-quality development of the food industry. In the aftermath of the pandemic, there's a global surge in health-conscious consumption, presenting fresh opportunities for the nutrition and health sector. As a staunch advocate for human nutrition and wellness, NHU is poised to seize the industry's momentum, collaborating with partners across the supply chain to pioneer advancements in life sciences. NHU eagerly anticipates forging closer connections with more experts, scholars, and enterprises, collectively shaping a brighter future for the industry.

View details

A Great Start, Embarking on a New Journey with Honors

Spring's arrival marks a fresh start to the year, inspiring us to begin anew. On the morning of February 19, the Weifang Municipal Work Mobilization Conference took place, recognizing NHU with the "Outstanding Enterprise in Investment Promotion in Weifang" award. Additionally, NHU's subsidiaries, Shandong NHU Holding Company Limited, and Weifang Haicheng Thermal Power Company Limited, were honored as the "High Contribution Enterprise in 2023" and "High-growth Enterprise in 2023" respectively. Mr. Yu Hongwei, General Manager of Shandong NHU Holding, and Mr. Zhang Mingmin, Deputy General Manager of Haicheng Thermal Power, accepted the commendations on behalf of their respective companies.During the meeting, Mr. Yu Hongwei, representing the awarded enterprise, expressed sincere gratitude to the municipal party committee and government for fostering a conducive business environment over the years. He highlighted NHU's 16-year presence in Weifang, emphasizing the company's commitment to its core operations and innovation-driven growth, which have consistently led to significant progress. Looking ahead, he pledged NHU's alignment with the objectives outlined by the Weifang Municipal Party Committee and Government, emphasizing the importance of safety and innovation while accelerating industrial expansion and project implementation. He affirmed the company's dedication to contributing to the city's economic and social advancement.The award signifies more than just recognition of NHU's role in advancing regional economic growth; it also serves as encouragement and trust in NHU's capabilities, motivating us to forge ahead. 2024 is a pivotal year for realizing our strategic objectives outlined in the "14th Five-Year Plan". Upholding unwavering confidence, we will continue to pursue the "chemical +" and "biological +" strategic pathways, guided by the principles of market expansion, development pursuit, robust management, and risk mitigation. Seizing opportunities and strengthening capabilities, we will enhance operational efficiency and core competitiveness across the enterprise, aiming to achieve significant strides in NHU's high-quality development.

View details

Debut of NHU’s New Amino Acid Product for Enhanced Nutrition and Better Health

On March 20, NHU joined industry experts and leaders in Shanghai for the three-day Food Ingredients China (FIC 2024), which kicked off successfully at the National Convention and Exhibition Center (Shanghai), to discuss industry development opportunities in the realm of greater health.NHU introduced its new amino acid products like L-serine, cystine, and L-cysteine, under the theme "Nutrition Upgrade, Health Plus" and showcased a variety of nutrients including vitamins and pigments, presenting our latest advancements in nutritional solutions aimed at empowering customers to generate greater value. NHU's L-serine, cystine, and L-cysteine products, produced through bio-fermentation, have garnered recognition from numerous customers for their eco-friendly and natural qualities, exceptional purity (exceeding 99%), consistent particle size, and good dispersion.L-SerineBeing produced by cells themselves, this amino acid boasts diverse functions including enhancing metabolism, combating cancer and diabetes, and finds extensive applications in both health food and pharmaceuticals.CystineCystine is one of the key components for synthesizing proteins and upholding protein structure. It has multiple functions such as detoxification, promoting hair and nail health, and boosting immunity. It contributes to various applications such as cosmetics and food for special dietary use.L-CysteineL-cysteine is an amino acid employed by cells across diverse tissues to defend against harmful substances and promote vitality. Cysteine and its derivatives find application in detoxifying liver poisoning, antipyretics and analgesics, and in aiding fatigue recovery. Additionally, they are utilized in bakery, flavoring, and medicine.NHU's exhibition booth attracted a lot of attention, drawing visitors and industry experts from around the globe for inquiries and exchanges. The sales team showcased the company's industrial layout and future development plans to both Chinese and international customers and partners, presenting a favorable corporate image. They engaged in discussions on market trends, supply and demand dynamics, among other topics, to gain deeper insights into customers' evolving needs and preferences regarding product quality and services. Customers gave positive comments on NHU’s integrated approach of production, marketing, and research, advantages in global distribution, strong product competitiveness and brand influence, which set a solid groundwork for NHU's expansion into domestic and international markets.With increasing consumer consciousness towards health and a growing demand for healthier lifestyles and nutritional offerings, the outlook for the health industry appears optimistic. NHU aims to leverage professional expertise, advanced technologies, and top-notch services to proactively construct a healthy dietary matrix, delivering superior products and solutions for a wide range of users. Collaborating with upstream and downstream partners, NHU endeavors to collectively drive the high-quality advancement of the nutrition industry, striving towards a brighter future characterized by "Nutrition Upgrade, Health Plus" for all.

View details

NHU was Honored to be Included in the List of 100 Enterprises in Social Responsibility

On March 21st, NHU was honored to be included in the list of the 100 Leading Zhejiang Private Enterprises in Social Responsibility in 2023, released by the Zhejiang Federation of Industry and Commerce.This honor signifies NHU's dedication and endeavors towards fulfilling its social responsibilities. NHU actively upholds the principle of "Generating Wealth, Elevating Employees, and Benefiting Society", viewing ESG as pivotal for its sustainable growth and fostering mutually beneficial relationships with users and stakeholders. Embracing the ethos of eco-friendly development, NHU relies on its "Bio+" technology platform and the concept of "integration" to strive for carbon emission reduction, efficient resource utilization, and the promotion of a circular economy. Through the seamless integration of chemical products and biotechnology, NHU endeavors to safeguard the environment through scientific advancements. With risk management at its core, and responsibility and care as guiding principles, NHU prioritizes safety leadership and cultivates a safety-oriented culture. We comprehensively implement a Health, Safety, and Environment (HSE) management system, emphasizing process safety, automation control, equipment, and facility safety measures. We continue to enhance HSE management to safeguard the health and well-being of our employees, customers, and stakeholders.NHU has remained steadfast to its original mission all along, actively engaging in social welfare initiatives, advancing rural revitalization efforts, offering voluntary activities, supporting regional medical infrastructure development, and contributing to educational foundations at prestigious institutions such as Zhejiang University, Tsinghua University, Tianjin University, and others. NHU remains committed to advancing the cause of shared prosperity, embodying the principles of corporate citizenship through tangible actions.Moving forward, we aim to broaden and deepen our commitment to social responsibility, persisting in our support for social welfare initiatives and green sustainable development. We will remain aligned with the evolving social needs of the enterprise and future trends, expediting the transition towards digital intelligence and fostering deeper technological innovation.According to reports, the evaluation for the Leading Zhejiang Private Enterprises in Social Responsibilities is primarily based on research data on private enterprise social responsibility, organized by All-China Federation of Industry and Commerce. This assessment considers various quantitative indicators, such as tax contributions, employment rates, and involvement in charitable activities, among others, across 9 aspects. Qualitative assessment involves 45 indicators across 8 dimensions, including shareholder involvement, employee welfare, ecological sustainability, and responsible governance. An evaluation team is responsible for assessing these criteria, resulting in the selection of the top 100 leading enterprises in social responsibility for the year 2023 in Zhejiang province.

View details

Advancing Through Science and Technology - Unveiling the Nutritional Secrets of Aquaculture!

On April 12th, the NHU 2024 Aquatic Nutrition Symposium was held in Guangzhou, attracting many suppliers and partners to address the challenges and key issues in aquaculture. Participants convened to explore specialized nutrition strategies aimed at fostering the thriving development of the aquaculture sector. Part.01 What are we doing about animal nutrition?Topic: Exploring NHU – Introduction of NHU Animal Nutrition Top-tier products, Comprehensive Service OfferingsDr. Jiang Zhirong presented an overview of NHU's animal nutrition sector. Positioned as a significant global provider of feed additives, NHU's core objective revolves around "ensuring ample nutritional support for human health". Leveraging robust R&D capabilities and advanced equipment and technology, NHU delves into comprehensive research on the challenges and bottlenecks within the farming sector, expands its product portfolio, and facilitates the high-quality advancement of the farming industry through efficient nutritional solutions. Currently, NHU has delivered scientific and specialized animal nutrition solutions to partners across more than 100 countries and regions, assisting farmers in increasing their income and enhancing quality of life. Part.02 How can nutritional management alleviate stress in aquatic animals?Topic: Managing Stress in Aquatic Animals through NutritionVitamin C and Taurine Benefiting Aquaculture Stress is a prevalent physiological condition in aquatic animals, hindering their growth and reproductive activities. Consequently, enhancing aquaculture animals' resilience to stress has become a critical necessity in the aquaculture industry, with nutritional management emerging as the fundamental and most effective approach. Dr. Gong Yangyang elaborated on the nutritional management strategy for fish and shrimp during stress periods, emphasizing the significant physiological effects of nutrients such as vitamin C and taurine, which play a crucial role in enhancing the stress resistance and disease immunity of aquatic animals. By carefully balancing dosage and employing them correctly, these nutrients can yield optimal results, effectively alleviating the stress experienced by aquatic animals, promoting healthy growth, and ultimately enhancing overall aquaculture efficiency.Part. 03 How to control the cost when the price of fishmeal is rising?Topic: The Value of NHU’s SCP in Aquatic Feed Premium Protein Sources Other Than FishmealIn recent years, the combination of declining fishmeal supply and increasing demand has driven up prices significantly, becoming a key factor in the increase of farming costs. Consequently, the development of new proteins via microbial synthesis has emerged as a focal point in global research endeavors. NHU's bacterial protein, engineered and manufactured in response to market needs, boasts natural, safe, and highly nutritious qualities with full traceability, offering farmers a more cost-effective and environmentally friendly option for feed. Test results across various breeding animals indicate that adding NHU's SCP into aquatic feed can effectively reduce the reliance on fishmeal without compromising growth, feed efficiency, or health metrics. This innovation plays a pivotal role in optimizing the cost structure of the aquaculture industry, thereby enhancing its profitability. Part.04 Are you using astaxanthin for aquaculture feeding correctly?Topic: Application of Carotenoids in AquacultureAstaxanthin Benefits Aquatic Animals Beyond Enhancing ColorProfessor Han Tao presented research findings on astaxanthin, an important carotenoid, and its applications in aquatic animal nutrition. Adding astaxanthin into feed not only enhances the coloration of aquatic animals, resulting in vibrant and vivid appearances across their body surface, muscles, scales, and exoskeleton, but also enhances the absorption and utilization of nutrients in their feed. This promotes protein synthesis, muscle growth, and reduces feed conversion ratios. Furthermore, astaxanthin acts as a potent antioxidant, greatly improving the antioxidant capacity, stress resistance, and disease resistance of aquatic animals, thereby positively impacting their overall health. NHU's astaxanthin product is a high-quality equivalent of natural astaxanthin tailored for aquatic use, demonstrates effective application in both fish and shrimp. Face-to-Face Question and Answer Following each presentation, the experts patiently answered questions and engaged in thorough discussions regarding the practical application of the products and the report's contents. The atmosphere was cordial, exchanges were lively, and everyone left feeling enriched by the discussions. The successful symposium marks the start of another fresh venture. Collaborating with our industry partners, NHU is committed to furthering the innovation and utilization of animal nutrition products, fostering a robust and sustainable supply system, and collectively forging a promising future for animal nutrition and well-being.

View details

NHU Successfully Conducted the 2023 Annual General Meeting and Investors Exchange Session

On the afternoon of May 15th, NHU held its 2023 Annual General Meeting, attended by 26 on-site shareholders and representatives, and 85 online voting shareholders. The meeting was chaired by Chairman Hu Baifan, and attended by Vice Chairman and President Hu Baishan, along with other directors, supervisors, and executives. Lawyers from Zhejiang T&C Law Firm witnessed the proceedings. All 19 motions were approved through both on-site and online voting.Following the AGM, NHU hosted an investor exchange session, which was chaired by Ms. Shi, the secretary of the board of directors, and saw participation from over a hundred investors, including those from securities research institutions and analysts. The exchange session was divided into two parts: the first part focused on sharing NHU's development strategy and updates on the methionine and new materials businesses; the second part involved an interactive session between investors and executives, answering questions about NHU's business operations, industry development, and future plans.NHU has consistently excelled in managing investor relations, fostering a relationship of mutual trust and aligned interests with investors. Looking ahead, NHU will continue to enhance its operations and management, adhere to innovation-driven growth, and focus on the health and new materials sectors. Leveraging the "chemical+" and "biological+" platforms, NHU aims to develop various functional chemicals and deliver better returns to shareholders and investors.

View details

NHU Has Secured the Top Spot on China Brand Evaluation - "Independent Innovation" List

On May 11th, Xinhua News Agency, the China Council for Brand Development, China Appraisal Society, and some other organizations jointly released the 2024 China Brand Evaluation result. NHU once again claimed the top spot in the "Independent Innovation" category, with a brand strength index of 862 and a brand value of 19.059 billion yuan.The "China Brand Evaluation" is organized by the China Council for Brand Development and other authoritative entities, aiming to establish a brand evaluation mechanism with Chinese characteristics and promote the internationalization of Chinese brands. This year, 1,032 brands participated in the evaluation, representing leading enterprises across various industries and contributing to the promotion of a dual-circulation development pattern and the enhancement of national strength through brand and economy.Brand is an indicator of an enterprise's competitiveness and profitability. NHU has shown strong brand resilience and value strength in complex international and domestic environments, with its brand value steadily increasing. Looking ahead, NHU will continue its local development and global expansion, focusing on independent innovation, transformation, upgrading, and value enhancement. This will help consolidate its brand advantages, expand its industry influence, and inject new momentum into the high-quality development of the economy, supporting the internationalization of Chinese brands.

View details

A Great Start, Embarking on a New Journey with Honors

Spring's arrival marks a fresh start to the year, inspiring us to begin anew. On the morning of February 19, the Weifang Municipal Work Mobilization Conference took place, recognizing NHU with the "Outstanding Enterprise in Investment Promotion in Weifang" award. Additionally, NHU's subsidiaries, Shandong NHU Holding Company Limited, and Weifang Haicheng Thermal Power Company Limited, were honored as the "High Contribution Enterprise in 2023" and "High-growth Enterprise in 2023" respectively. Mr. Yu Hongwei, General Manager of Shandong NHU Holding, and Mr. Zhang Mingmin, Deputy General Manager of Haicheng Thermal Power, accepted the commendations on behalf of their respective companies.During the meeting, Mr. Yu Hongwei, representing the awarded enterprise, expressed sincere gratitude to the municipal party committee and government for fostering a conducive business environment over the years. He highlighted NHU's 16-year presence in Weifang, emphasizing the company's commitment to its core operations and innovation-driven growth, which have consistently led to significant progress. Looking ahead, he pledged NHU's alignment with the objectives outlined by the Weifang Municipal Party Committee and Government, emphasizing the importance of safety and innovation while accelerating industrial expansion and project implementation. He affirmed the company's dedication to contributing to the city's economic and social advancement.The award signifies more than just recognition of NHU's role in advancing regional economic growth; it also serves as encouragement and trust in NHU's capabilities, motivating us to forge ahead. 2024 is a pivotal year for realizing our strategic objectives outlined in the "14th Five-Year Plan". Upholding unwavering confidence, we will continue to pursue the "chemical +" and "biological +" strategic pathways, guided by the principles of market expansion, development pursuit, robust management, and risk mitigation. Seizing opportunities and strengthening capabilities, we will enhance operational efficiency and core competitiveness across the enterprise, aiming to achieve significant strides in NHU's high-quality development.

View details

Approval Granted for Domestic Drug Registration of NHU Coenzyme Q10!

Recently, NHU has secured approval for domestic drug registration of its API Coenzyme Q10, positioning the company as the first enterprise to receive such approval since the issuance of the National Medical Products Administration (NMPA)'s Announcement on Matters Related to Further Improving the Review, Approval, and Supervision of Drugs in 2019. This significant milestone indicates that our Coenzyme Q10 is at the forefront of the industry and paves the way for a new API market, presenting fresh opportunities for our development.About Coenzyme Q10Coenzyme Q10, a fat-soluble antioxidant, plays a crucial role in fortifying the myocardium, preventing heart aging, preventing and combating cancer, maintaining cardiovascular health, and enhancing overall vitality. The significant market demand for Coenzyme Q10 exists both domestically and internationally. The production of API Coenzyme Q10 necessitates stringent quality control and safety inspections, leading to rigorous requirements for production processes and product quality. NHU stands out as the inaugural company to receive such approval and recognition, demonstrating the company’s capability to produce high-quality API Coenzyme Q10 since the drug approval reform by the NMPA in 2019.In its role as a guardian of nutrition and health, NHU is committed to the journey of open innovation. Starting from addressing future and potential market needs, we collaborate with academia and industry to delve into the cutting edges of chemical and biological science and technology and foster innovation and advancement, leading to the successful development of products like the Vitamin Series, Moxifloxacin Hydrochloride, and Taurine. NHU aims to create value for the entire industry and society, establishing a "Safety Moat" for human health. 

View details

NHU Introduces New Green Materials: Isophorone Diamine (IPDA) and Aliphatic Diisocyanate (ADI)

Throughout the transition from the Stone Age to the Bronze Age, the Iron Age to the Digital Age, materials have remained the cornerstone driving the progress of human civilization. Every significant transformation finds its backbone in innovative materials. Confronting global challenges related to resources, energy, and climate, materials stand as pivotal players in addressing these pressing issues. Rooted in societal needs, NHU forges a close connection between enterprise growth and societal wellfare. Breaking through technical barriers, we introduce novel environmentally friendly materials, such as isophorone diamine (IPDA) and aliphatic diisocyanate (ADI), bolstering the creation of new energy sources while offering a spectrum of material solutions to foster sustainable development!Since stepping into the realm of new materials in 2013, NHU initiated the groundwork for various new material products starting from PPS. Over time, we've successfully navigated a diverse array of scarce resources and gradually solidified the complete development of the industrial chain encompassing "IP-IPN-IPDA-IPDI", forming a robust foundation for IPDA product production and the evolution of the ADI series industrial chain. The robust resilience of this industrial chain ensures a consistent and reliable supply of high-quality products.Leveraging our strengths in this industrial chain, we've focused our efforts on its interconnectedness. Over the past decade, we've successfully developed isophorone diamine (IPDA), and isophorone diisocyanate (IPDI) and hexamethylene diisocyanate (HDI) within the aliphatic isocyanate (ADI) category, and established two distinguished brands, NHUAMINE? and NHUNATE?, developing the specialty amine and diisocyanate products of NHU respectively.Isophorone Diamine (IPDA): It serves as a fundamental material for new energy wind power generation equipment. Often employed as a curing agent for epoxy resin, it significantly enhances the strength and weather resilience of the pivotal component in wind turbine generators—the blade, so as to extend the lifespan of the blades, facilitating the ascent of "green power" through wind energy.Product Features: Low viscosity, high hardness, good color stability, and robust resistance to chemicals, water, and oil.Application Fields: It is widely used in high-end epoxy, composite materials and wind power industry.Application Scenarios: Wind turbine blades, epoxy flooring, sealant, and composite materials.Aliphatic diisocyanate (ADI) and its derivatives: Since the use of paints in the Stone Age, paint materials have undergone continuous evolution, transforming into highly specialized chemical products. However, isocyanate, a crucial ingredient in paints, contains toxic benzene rings, limiting its application. To address this issue, aliphatic diisocyanate (ADI) and its derivatives emerged. Not only do they lack benzene rings, but they also outperform traditional benzene ring isocyanates in mechanical properties, stability, and weather resistance, and exhibit non-yellowing traits and superior application performance. These attributes render them widely utilized in industrial and automotive polyurethane coatings. Presently, ADI and its derivatives experience a substantial surge in global market demand, indicating promising prospects. IPDIBasic Introduction: One of the basic raw materials for the production of polyurethane.Product Features: Improves the light aging performance of produced products, offering the benefit of a non-yellowing attribute.Application Fields: Leather, inks, adhesives, 3D printing, high-end coatings, and wind turbine blades. HDIBasic Introduction: A widely used aliphatic isocyanate in the polyurethane industry. Product Features: Polyurethane coatings made from this material are resistant to oil and abrasion, and boast qualities such as non-yellowing, color retention, light retention, anti-chalking, and resistance to outdoor sunlight.Application Fields: Mainly used in the production of polyurethane coatings, elastomers, adhesives, textile finishing agents and so on.Application Scenarios: Paint, aviation, textile, foamed plastics, rubber industry, and wind turbine blades.  Green technology stands as the linchpin in achieving eco-friendly and sustainable development. NHU consistently upholds the belief in enhancing lives through chemistry, engaging with the forefront of global scientific advancements and addressing the critical demands of our nation. Continuously delving deeper into the expanse of science and technology, NHU diligently researches, develops, and manufactures materials imbued with environmentally friendly characteristics, aiming to establish a sustainable "green reserve" for future generations and contribute NHU's prowess towards securing a sustainable future for our planet. 

View details

Let’s explore the mysteries of VB12 together

Over the years, with the veggie boom in the social media,vegetarian diet has been increasingly accepted, and more and more people have become vegetarians.  However, do you know thatvegetarians are prone to vitamin B12 deficiency,which can cause irreversible neurological damage,increase the risk of heart disease and Alzheimer's disease,and do harm to women's fertility?  Who am I?l I‘m a vitamin with a distinct color and characteristic. Cobalt, the trace element in me gives me a pinky shade.l I’m chemically known as cyanocobalamin, the only water-soluble vitamin that contains metallic element.l Severe deficiency of vitamin B12 can cause nerve fiber degeneration, so I’m also known as the vitamin that nourishes nerves.  Without me, you will suffer from:Bad breath, swollen and sore tongue, loss of taste, skin pigmentationHeadache, unresponsiveness, depression, memory loss, sleepiness, sluggishnessAnorexia, weight loss, nausea, constipationWeakness, fatigue, shortness of breath, numbness in the hands and feet, tingling Who is most likely to lose me?1. VeganAs vitamin B12 is commonly found in animal foods, having vegan diet for a long time would cut short the source of B12 for human bodies.2. The elderlyAs the digestion-absorption function weakens as people age, the absorption of VB12 of the elderly also declines.3. AlcoholicsAlcohol will accelerate the consumption of VB12 in human body, which can result in the deficiency of VB12.4.DiabeticsTaking hypoglycemic drugs for a long time can hinder human body from absorbing VB12, which is detrimental to the health of the nervous system.  My skill sets 1. Preventing anemiaVitamin B12 can effectively promote the development and maturation of red blood cells and keep them in a healthy state, thereby preventing pernicious anemia. It can also protect the health of the nervous system of human body. 2. Increasing the utilization of folic acidVitamin B12 can increase the utilization of folic acid in human body and promote the metabolism of carbohydrates, fats and proteins. 3. Fostering the growth and development of infants and childrenBy activating amino acids, vitamin B12 can effectively promote protein synthesis in human body, fostering the growth and development of infants and children.4. Preventing and assisting the treatment of heart diseaseThe cysteine content in the blood of patients with heart disease is many times higher than that of normal people. Taking VB12 together with VB11 can effectively help reduce the cysteine content in blood, which can prevent and assist the treatment of heart disease to some extent.5. Relieving mouth ulcersIf mouth ulcer is a recurring problem for you, don’t forget to take VB12 as a supplement in time. With an anti-inflammatory and wound-healing effect, it can help relieve mouth ulcers.6. Regulating menstrual disordersProper supplementation of vitamin B12 can stimulate the estrogen secretion in women, maintain the right level or hormone, and help regulating menstrual disorders.  Where am I from? Vitamin B12 can be mainly taken from animal foods, such as meat, animal offal, fish, shellfish, and dairy products. After the digestion-absorption in the stomach, VB12 enters the blood and is reabsorbed in the ileum, and finally, 80% of it is stored in the liver. The VB12 content of common foods is shown in the following table.    Dietary source of VB12Food (100g)Content (μg)Beef liver87Pork liver 26Beef1.8Pork 3.0Chicken1.11Egg 1.55Egg yolk 3.8Duck egg5.4Tuna 3.0Canned sardines10Steamed sea crab10  My development history in NHUFollowing the idea of product-led growth based on the demand of customers, NHU has been committed to the R&D of human and animal nutrition, enriching the product portfolio with more diversified functions. In 2021, with the dedicated efforts of the R&D team, a new member of the Vitamin B family – VB12 achieved scale production and officially hit the market. It is used in food and beverage, early nutrition, and dietary supplement, offering effective solutions for the nutritional needs of human at different stages of life. Leveraging our advantage of the "Bio+" platform, the production process of vitamin B12 is greener, safer and more reliable. We have introduced advanced separation equipment and process technology and established an automated production line to strictly control the content of impurities in the product. The successful R&D of vitamin B12 has underpinned our development in the greater bio fermentation industry, supporting us to grow into a world-renowned vitamin supplier. NHU keeps following the changing demand of the market in the health sector. With many years of innovation and research, we now have a rich portfolio of vitamin products, including vitamin A, vitamin E, vitamin D, vitamin C, vitamin H (biotin), vitamin B6, and vitamin B12. We will continue to explore the blue ocean of science and provide more nutritional solutions for mankind, building better and healthier life for all. 

View details

Taurine, a lubricant for life

With the social and economic development, Faster pace of life, and fiercer competition, People are more stressed and tired, And the problem of sub-health has become ever more prominent.  Taurine, which can boost immunity and relieve fatigue has therefore been gaining traction among consumers, and is widely used in daily food, beverage, and dietary supplement to strengthen food nutrition to meet people’s needs. First found in bovine bile, taurine is a β-amino acid converted from sulfur-containing amino acid that occurs in all tissues and organs of human body in free state, especially in the nervous system, heart, brain, liver, muscle and retina.Taurine can be produced endogenously or obtained from food. The main pathway of endogenous biosynthesis of taurine is cysteine sulfinate (the intermediate product of the metabolism of methionine and cysteine) - hypotaurine (through decarboxylase) – taurine (through oxidization). Marine animals and plants are sources of taurine-rich foods, such as sea fish, seashell, sea plant, cuttlefish, octopus, shrimp, oysters, sea snail, and clam.  Lubricant for the brainTaurine is a medium that promotes the information transmission among neurons (nerve cells) in the brain, playing an important role for the development of brain neurons. It also stimulates the absorption of lipids, calcium, and vitamins, effectively improving anorexia and malnutrition. For the immune system, it promotes the growth and reproduction of immune lymphocytes, enhances the phagocytosis of neutrophil over bacteria and viruses, and boosts the immunity of children. However, infants and young children can hardly synthesize taurine as their enzyme system have not been fully developed, thus requiring additional supplement.  Lubricant for the eyesLocated in the retina, visual cells of human body can turn photic stimuli into nerve impulses. As the most abundant amino acids in the retina (accounting for 40%-50% of the total free amino acids in the retina), taurine plays a key role for nerve conduction, and the appropriate supplementation of taurine can enhance nerve conduction and visual function. Lubricant for the mindWhen fatigued, problems like depletion of substance of energy source, imbalance of water and salt metabolism, increase of free radicals, and decrease of biofilm fluidity will occur, resulting in poor mental status. Taurine can regulate metabolism, refresh the mind, and relieve fatigue through functions like increasing the reserve of energy substance, regulating the balance of ions inside and outside the cells, and antioxidation, making it a main functional ingredient of sports drinks.  Lubricant for the cardiovascular systemAs a special amino acid, taurine can inhibit platelet agglutination and lower blood lipids in the circulatory system, maintaining normal blood pressure and preventing atherosclerosis; it also helps to protect the cardiomyocytes and resist arrhythmia, effectively reduces blood cholesterol, and can be used to treat heart failure.Quality productNHU adopts proprietary processes for the production of taurine, which is more energy-saving and environmentally friendly and effectively reduces impurities and waste, contributing to the preservation of a green earth. We constantly improve our sound and scientific quality management system to make sure that the quality of every batch of products is strictly controlled, building a defense line of food safety and human health. Various combinationNHU’s taurine can be used together with vitamin B6 and vitamin B12 to add more energy to functional drinks; with vitamin A and lutein to protect vision; with vitamin D3, vitamin C, and some other nutrients to effectively enhance immunity of human body. Thoughtful serviceNHU’s human nutrition and health team has been deeply engaged in the fields of beverage, fortified food, early life nutrition and health, dietary supplements, etc. We provide customized services and technical support to our customers, empowering them to achieve bigger success.   As an ambassador in the field of nutrition and health, NHU has been acting the mission of Chemistry for a Better Life. We convey new concept to people and unlock new solutions of nutrition and health, securing the health of people with technological innovation. 

View details

New member to the Family! Menthol products of NHU officially launched!

A refreshing companion in our livesMenthol, also known as peppermint camphor, is currently one of the most applied monomeric aroma chemicals in the world. With a pleasant minty aroma and the cooling effect on the skin, it is widely used in personal and home care products, food and beverage, and medicine, among others. In daily life, menthol can be used as an odorant for toothpaste, perfume, beverage, candy, etc., adding flavor to our life. In medicine, menthol can be used as an embrocation to relief local itching and pain and give off a cooling and anesthetic effect locally. When ingested, it can effectively clear away heat and quench thirst, and helps relieve cough and phlegm. Applied when staying up late or having a headache, it can effectively refresh your mind and relieve headache. Over the years, the market demand of menthol’s downstream application has been growing and people’s habit of using menthol products has been forming. At present, about 30,000 – 35,000 tons of menthol are consumed directly per year. Menthol can be extracted naturally from peppermint oil or synthesized from citral, thymol, myrcene, etc. Naturally extracted menthol has unstable yield and high cost, therefore cannot meet the growing market demand. In comparison, synthesized menthol has stable yield and low cost, therefore is favored by downstream businesses, and is the key development direction in the future.  Menthol developed by NHUNHU sticks to the concept of integrated, serialized, large-scale, and coordinated development and the demand-driven R&D mobilizing resources in and out of the company. Since the lab scale test in 2012, we have made several breakthroughs and finally successfully developed the whole processes of menthol production in 2022. This marks that NHU now has the capability of developing the core industrial chains from citral to menthol, which can effectively alleviate the cost pressure of downstream enterprises and fill the gap of the aroma chemical industrial chains. Advanced processes secure quality productsThe flavor and fragrance production base in Weifang, Shandong Province adopts continuous process production and food-grade automatic packaging, which can effectively reduce the impurities in the products. Advanced DCS operating system and various state-of-the-art equipment are used to achieve automatic stable control of the continuous process and programmed precise control of batch process, ensuring the world class quality of the products. Considerate service assists market expansion Following the principle of customer-oriented development, NHU provides quality products and considerate services to customers across over 100 countries and regions around world, with an aim of going beyond their expectations.  As a leader in the flavor and fragrance industry, NHU adheres to the idea of developing based on the needs of people. Leveraging our world leading platform of synthesis and fermentation, we explore the world of aroma chemicals with the mission of Exploring Chemistry Improving Life, striving to bring better life to mankind.

View details

NHU Won the First Prize of Technological Invention Award of Zhejiang Province

On July 11, two innovation projects of NHU carried off the prizes on the 2021 Science and Technology Award Conference of Zhejiang Province. The project of Technology Development and Industrialization of the Manufacturing of High Performance Polyphenylene Sulfide jointly developed with Zhejiang University won the First Prize of Technological Invention of Zhejiang Province, which has been the fourth time for us to win this award since 2006; and the project of Key Technological Innovation and Industrialization of Starch-based Carrier for Stabilizing Immobilized Fat-soluble Nutrients jointly developed with Ningbo University of Technology and Zhejiang University won the Second Prize of Technological Progress of Zhejiang Province.These two awarded projects are the fruits of our scientific research under the principle of meeting the needs of the market and technological development with the industry-academia-research synergy. They are also major breakthroughs in the core technologies regarding new material and nutrition with our forward-looking R&D pipeline and great perseverance over the years. The application of the Technology Development and Industrialization of the Manufacturing of High Performance Polyphenylene Sulfide makes NHU an important PPS supplier in China with a world reputation that contributes to the high-quality development of relevant downstream industries such as electronics, automobile, the upgrade and transformation of the domestic manufacturing industry, and the development of Three Technology Hubs in Zhejiang. The project of Key Technological Innovation and Industrialization of Starch-based Carrier for Stabilizing Immobilized Fat-soluble Nutrients enabled the world’s first integrated production line of double modified starch for immobilized nutrients, promoting the healthy growth of the food and feed industry in China. Over the years, NHU has insisted on independent innovation and technology driven development with the industry-academia-research synergy. Upholding the R&D philosophy of “demand-oriented development with inter-segmental coordination and industrial cooperation”, we have been ramping up investment in R&D, promoting the integration of the innovation chain, industrial chain, and value chain, and blazing a trail of endogenous growth driven by co-innovation and independent innovation. NHU has taken on over 50 national and provincial projects; won 2 Second Prizes of Technological Invention of China, 1 Gold and 1 Silver of National Patent Awards, and 11 Technology Awards at the provincial and ministerial level; been granted 442 patents domestically and 81 patents internationally; led or participated in the development of 39 national/industrial standards.

View details

NHU Won the National Labor Day Award

International Workers’ Day, the festival celebrated by all workers around the world is approaching. On April 29, the All-China Federation of Trade Unions commended the individuals and organizations winning the awards. NHU won the National May Day Labor Award as the only Shaoxing-based enterprise.This honor is earned by and belongs to all our employees from the lab to the workshop and it recognizes our efforts in the past 34 years – our dedication, our pursuit of innovation-driven development, our spirit of hard-working and craftsmanship, and our contribution to the development of the industry and the society. It will also spur NHU to keep on innovation and lead the high-quality development of the industry.On the Symposium of Advanced Representatives of Model Workers in Shaoxing right before the commendation, Mr. Hu Baishan, Vice Chairman and President of NHU delivered a speech on behalf of the company.Focusing on the national strategy, NHU is a dream pursuer that aspires to create better lives. We have always been carrying on the great heritage of honoring labor and delivering through hard work with down-to-earth endeavor in the field of fine chemicals. To meet the needs of national major strategies and green development, we have made breakthroughs in many bottleneck key technologies. Leveraging our quality, healthy, green, and low-carbon products, we have been improving quality of life for all and providing comprehensive solutions in the fields of nutrition and health, personal and home care, transportation, environmental protection, and new energy.Striving for excellence, NHU is the inheritor of craftsmanship. Craftsman are an important force for industrial development, and craftsmanship is a powerful impetus for innovation and entrepreneurship. Under our “coaching and mentoring culture”, we have continuously improved the talent development mode and cultivated the craftsmanship of striving for excellence with persistence and attention to every detail. We carried out various activities such as competition of work skills and on-the-job trainings, aiming at mobilizing employees to learn and setting up benchmark of craftsman. We also inspired the creativity and vitality of employees through activities like the QC results sharing and the voice of employees. NHU has cultivated 15 provincial and municipal Model Workers and Zhejiang Craftsmen, and has been awarded as the National Exemplary Base of Staff Education and Zhejiang Model Group, making contribution to strengthen the nation through craftsmanship.NHU has created a fair space for its employees to develop. Guided by the “dedicator-first” incentive model, we have been improving the compensation mechanism to increase employees’ income in a reasonable way. We create value and share benefit with employees with optimized management and incentive mechanisms such as reward for incremental results and ESOP. We have won titles such as National Employer of Model Workers and Enterprise of Harmonious Labor Relation of Zhejiang. Giving back to the society, NHU is the advocator of common prosperity. For more than 30 years, NHU has actively participated in charity and public welfare campaigns such as fighting against cov-19, disaster and poverty relief, student aid, and community building. We have been one of the biggest tax payers in Shaoxing for many years in a row, with over RMB10.5 billion cumulative tax paid, RMB 8.638 billion dividends paid to shareholders and RMB147 million cumulative donation to the society.People in NHU have always been aggressive innovators and committed dedicators. We pay tribute to all workers in this special festival. 

View details

β-Carotene , Promotes Milk Production Effectively

For a long time, milk has always been an important source of high quality protein, calcium. As a result, milk appeared on the table of thousands of families.Since living standards getting higher, there is a higher requirement for quality of milk. A good cup of nutritious and safe milk comes from healthy dairy cows, and healthy dairy cows are dependent on balanced nutrition. The findings of scientists’ extensive researches show that β-carotene has a positive effect on the fertility and health of cows. Carotene, which got its name from the rich red-orange pigment in carrots, has three isomers – α, β, and γ, among which β carotene is the most abundant and important in plants and is the most widespread and stable natural pigment in nature.β-carotene enhances cow fertilityThe fertility of dairy cows is closely related to their milk production and can be enhanced by β-carotene, which is found in vegetables, green forage, and some other plants. Cows cannot synthesize β-carotene and have to get it externally through the diet. A number of studies have found that in intensive large-scale farms where little fresh pasture can be accessed, adding the right amount of β-carotene to the daily diet of cows can significantly boost their fertility, which can be shown in the following ways:Supplementing β-carotene to the cows’ feed can increase the concentration of β-carotene in cows’ blood, improve oocyte quality, animate early luteal activity, increase ovation rates, and raise progesterone levels, thus improving pregnancy rates and embryo quality and reducing pregnancy loss and carving intervals in cows.Higher reproductive performance in dairy cows means shorter calving intervals, better herd structure, and higher milk yield, which is essential for the farms to lower cost and achieve sustainable development.β-carotene improves cow healthWith the advances of farming technologies, the average milk yield of Chinese cows has increased from 4.8 tons/year in 2008 to 8.3 tons/year in 2020, reaching the level of developed European countries. The dramatic boost in milk production over the past 15 years has placed a heavy burden on the cows’ physical conditions, causing continued oxidative stress and rising incidence of mastitis and hysteritis.As the most abundant antioxidant in nature, β-carotene can be added to cows’ daily diet to help them resist oxidation, boost immunity, and lower the incidence of mastitis and hysteritis. Adding the right amount of β-carotene to the feed of cows in late pregnancy can increase the concentration of β-carotene in their colostrum, and an early supplement of β-carotene can help reduce the incidence of diarrhea and pneumonia in calves and improve their survival rate.The healthy growth and production of dairy cows is key to the sustainable development of the industry. With its probiotic carotene products, NHU is helping to improve the reproductive performance of cows and the operation of high-quality farms. We expect to drive the industry forward and bring people healthy and nutritious milk products through our β-carotene solution. We believe that an efficient nutrition system is conducive to the reform and innovation of the livestock industry, to which we stand ready to contribute.From farm to fork, we are always here for healthier and more nutritious food. 

View details

NHU ranked No. 2 on the list of Best Brands in Independent Innovation

Just before the China Brand Day, the 2021 China Brand Value Evaluation Information Release and China Branding Summit was held at Shanghai International Convention Center on May 9th. At the release for the brand value of  Chinese companies, NHU ranked second on the list of “Best Brands in Independent Innovation” with a brand strength score of 749 and brand value of RMB11.247 billion.Brand value speaks for the future competitiveness and profitability of a company and constitutes an important part of the soft power for its development. NHU has always been practicing the business philosophy of “value-added, balanced, and sustainable development”. We regard brand building as a critical step in the overall development of the company. Implementing the customer-centric and market-oriented brand cultivation strategy, we exert ourselves to establish effective mechanisms of technological innovations and R&D investments, which have resulted in successful breakthrough in key bottleneck technologies of vitamin E, methionine, and PPS. By building a brand image that speaks for our responsibility for the society, customers, employees, and partners, we contribute to refreshing the world’s perception of “Made in China” and “Developed in China”.NHU has won many titles including “Export Brand with Key Support from the State”, “Trusted Feed Product in China”, and “Products with Famous Chinese Brands”. We have also been listed as China’s top 500 private enterprises, top 100 fine chemical companies, and top 20 most competitive listed pharmaceutical companies for many years.The inclusion in the brand value evaluation of China this year highlighted NHU’s strengths of embracing changes and forging ahead with technological innovation as the lever in the face of pressure and challenges. 

View details

Building Quality Farms

The first National Ruminant Feed and Forage Conference and Inner Mongolia Grass-fed Livestock Industry Development Conference was recently concluded in Hohhot. The conference discussed the current situation facing the ruminant industry, analyzed the status-quo, challenges and development trends of the industry, and shared new technologies and products applied to ruminant feed. It showed promising prospects of the ruminant industry.NHU is committed to promoting the sustainable development of the ruminant industry. We help improve the reproduction performance of ruminants and meet the nutritional needs of animal growth and reproduction by adding the right amount of nutrients to feed additive products with great knowledge in science. While ensuring the sustainable reproduction of ruminants and safeguarding their welfare and health, we help generate more positive benefits for farms.At present, NHU's feed additive products mainly contain nutrients like vitamin E, ?-carotene and methionine, which are highly beneficial to the health of ruminants.Preventing Lameness and Improving Hoof HealthLameness is one of the major cattle diseases today. It causes cows to eat less and consequently produce less milk. Ill cows are culled too early in life, and farm incomes suffer too.  Today, feeding biotin has been shown to reduce the incidence of many hoof diseases, including white line disease, sole ulcers, and sand crack. NHU uses biotin as a stand-alone additive or as part of a feeding strategy combined with vitamin E and ?-carotene. This results in stronger hoof horn and greater hoof hardness, which directly reduces lameness and the loss that lameness brings with it.Preventing and Controlling Mastitis Starts with Boosting ImmunityEvery year, udder infections cause massive losses to the dairy industry due to reduced milk production, lower milk revenue, additional treatment costs, and increased early culls.NHU adds vitamin E additive to feed to help build a robust immune system that can reduce a cow’s vulnerability to infections. Vitamin E has been proven to reduce the intramammary infection rates at calving, shorten the duration of mas titis cases in infected dairy cows, and lower the level of herd somatic cell counts.Remove Health Risk and Keep Your Calves Strong and HealthyCalves are a valuable source of income for farms. Producing strong and fast-growing calves and keeping them healthy is an important goal for dairy farmers. Today, diarrhea and digestive disorders are major threats for the health of calves. Increasing levels of β-carotene in cow colostrum effectively makes calves less prone to diarrhea.This is why we add ?-carotene to the dairy cow’s diet to help the calves grow healthily.Improving Reproductivity and Driving Sustainable DevelopmentImproving the reproductive performance and longevity of dairy cows means increased productivity, which has many benefits for farm income and the environment. The addition of β-carotene to a cow's diet can stimulate its estrus cycle, thereby helping to improve reproductive performance and reduce the embryo mortality rates.This reduces the calving intervals and means that fewer non-productive cows are culled. Both help increase the income for farmers.Adding Methionine to Promote Animal GrowthIn addition to synthesizing protein in ruminants that can then be converted into cystine, methionine can also promote cell proliferation and animal growth and improve the immunity of animals.Adding methionine to the feed of dairy cows can significantly increase the lactoprotein content of the milk produced, with no effect on milk fat and lactose; Adding methionine to the feed of beef cattle can significantly increase the daily weight gain. This shows that the addition of methionine to dairy cattle feed can bring considerable benefit.NHU believes that an efficient nutrition system is conducive to the reform and innovation of the animal husbandry industry and is willing to do its part in this process.We focus on the nutritional ingredients and additives for livestock, including poultry, swine, ruminants, and farmed fish. We have developed specific solutions for these species.We hope to advance together with our core customers in different species fields, provide customers with more options and optimized solutions, and create a better life for all. 

View details

NHU strives to contribute to common prosperity

On September 28th, the Information Office of the State Council published a white paper on China's Epic Journey from Poverty to Prosperity, which states that a moderately prosperous society in all respects is a society in which all people share the fruits of development.“Common prosperity” is the grand dream of the Chinese nation that can only be achieved through hard work and mutual support of all people. Businesses and people from the private sector are the beneficiaries and partakers, and more importantly, the advocators and contributors of “promoting common prosperity”.Keeping in mind our initial aspiration - creating better conditions for schools, we have always set our heart on giving back to the society. The purpose of “creating wealth, rooting for employees and benefiting the society” and the concept of “rapport of people” have inspired us to strive forward with the right approach to the greater good beyond business interest and bolstered our efforts in contributing to the nation’s pursuit of “common prosperity”.Drive common prosperity with innovation and creationFocusing on the major national strategic needs and people’s yearning for a better life, NHU offers solutions for the sustainable development of multiple sectors, including feed, agriculture, industry, transportation, and environmental protection with a market-oriented and technology driven approach. NHU has always remained at the forefront of innovation with open mind for cooperation and active efforts in integrating global resources. Our first major milestone was the development of DEEMM, followed by the successful development of two important main rings and isophytol on the intermediate for VE, and then the ground-breaking core technologies in vitamin A, biotin, methionine, PPS, and other products. Step by step, we have grown from a “small workshop” to an industry leader.Promote common prosperity through industrial investmentNHU has rolled out its business across the nation with investment in Shangyu in Zhejiang Province, Weifang in Shandong Province, and Suihua in Heilongjiang Province. We give full play to science and technology as the primary productive force and make best out of the local resources. We are also determined to become a role model of wealth creation, boost local economy, and improve people's livelihood wherever we go.With new plants rising from the ground and towers standing tall, NHU has created 10,000+ jobs and grown its total assets from 580million yuan in 1999 to more than 30billion yuan in 2020. Today, NHU is ever more committed to good faith management and has paid a total tax of up to 9.3billion yuan, ranking on the top in Shaoxing for many years. After two decades of hard work, NHU has woven itself into the social fibers of national economy and people’s wellbeing.Stride towards common prosperity by empowering the employeesThe underlying elements of “common prosperity” are fairness, balance, humanity, and happiness. The success of our employees matters to us.NHU provides employees with a dual-track career development path stressing both management capabilities and technological practices with mechanisms such as rotation, competitive recruitment and promotion, and secondment at production bases. Through workforce development programs such as mentoring, onboarding, and talent bench, we offer employees a platform and opportunity to fulfil their value and gain a sense of achievement, meaning, and purpose in their day-to-day work.Guided by the concepts of “performance-based” and “dedicator-first” for its incentive model, NHU is committed to optimizing the gain-sharing system between the company and its employees. We have now put in place short and medium term incentives such as awards of performance, awards of incremental results, and ESOP. By gradually expanding the coverage of stock ownership, NHU increases employees’ income while growing its revenue, so as to create value and wealth, and share risk and benefit with its employees together.  Realizing the grand dream of common prosperity through public welfareAccording to the ancient Chinese philosophy, the highest goodness is accommodating and caring for all things and people with open heart like water and the earth. This is the very virtue that NHU values and embodies in its actions. While seeking for our own development, we actively participate in charity and public welfare campaigns such as fighting against COVID-19, disaster relief, poverty relief, financial aid for poor students, community building, and volunteer services. We have donated in more than 10 provinces.In recent years, NHU joined the “10,000 enterprises help 10,000 villages” project to accelerate the process of poverty alleviation, providing paired-up assistance to Huangjiashan Village in Xiaojin County, Sichuan Province. We also paired up with Laogu Village in Butuo County, Sichuan Province to speed up lifting it out of poverty via sector-specific programs, pro-consumption campaigns, and volunteer services, so as to prevent intergenerational transmission of poverty. NHU donated 10 million yuan for combating COVID-19 and 12 million yuan for promoting integrated water treatment. With our public spirit in education and civic affairs, we have set up scholarships in several universities including Zhejiang University and Zhejiang Sci-tech University to assist continuous nurturing of talents in chemistry.  

View details

PPS + 3D Printing

Carbon neutrality, plastic reduction, green ...... These concepts have become a consensus in society. Manufacturing companies are in action, exploring the possibilities on the path of sustainable development. 3D printing, which has played an active role in lowering energy consumption and reducing carbon emission has risen to prominence. What is 3D Printing? 3D printing, also referred to as additive manufacturing, is an advanced manufacturing technology originated in the 1980s that integrates computers, machinery, CNC and materials. Compared to traditional subtractive manufacturing (e.g. cutting) and equivalent manufacturing (e.g. forging), this mode of production barely has any material waste, resulting in both cost savings and environmental benefits. It can even localize the production and reduce transportation. After paying for the ‘drawings’, customers are able to print the required products locally, thus reducing the need of line-haul and the greenhouse gas emission that comes with it.  Limitations of Traditional Printing MaterialsAt present, 3D printing mainly uses resin and plastics as the materials. The most rapidly developing plastic material, polypropylene (PP), has great potential for application in the field of 3D printing due to its low density, high strength, good heat resistance and insulation, chemical stability and low price. However, the process of melt crystallization causes great shrinkage in PP, which makes it prone to warping and deformation during 3D printing. The final product may therefore be less accurate than desired. In addition, the printed product is of low toughness and high loss, often ending up of having no actual use.  New Materials Driving the Development of 3D Printing Technology NHU’s new material research team has dived headfirst into the emerging field of 3D printing since 2019 and has successfully developed polyphenylene sulfide (PPS), boosting the development of 3D printing technologies.   PPS is a thermoplastic material with excellent performance in heat resistance, chemical resistance, flame retardancy and electrical properties. It has a heat deflection temperature of 260°C and a long-term service temperature of over 200°C. In addition, its chemical resistance is second only to fluorine resins, and it has a V-0 flame rating. When ground into powder, it has high fluidity; when spread out,the powder bed is leveled and smooth, resulting in high accuracy for 3D printing.  According to the R & D staff, the particle size of the material has been one of the key factors affecting the structure and performance of 3D printed parts. PPS micro powder effectively addresses the limitations of the particle size of the material, promoting its application in 3D printing. With excellent thermal stability, PPS micro powder can be recycled multiple times, greatly reducing the cost of printing. This backs up the argument of the pollution-free benefit of 3D printing.  The new PPS material developed by NHU has been widely used for areas of low-carbon emission and environmental protection. For example, PPS filter-bag made of PPS resin has been installed in dust collectors in domestic coal-fired power plants, reducing the smoke emissions of the plants; NEV parts made of PPS materials reduce the weight of the vehicle and its battery and increase the mileage and energy utilization, contributing to sustain

View details

NHU Won the First Prize of Zhejiang Provincial Award for Technological Invention

Recently, the 2020 Science and Technology Award Conference of Zhejiang Province was held at the Great Hall of the People of Zhejiang Province. The project of "Key Technological Innovation and Industrialization of the Micro-Nano Structure Control of Supported Catalyst" jointly developed by NHU and Zhejiang University won the First Prize of Zhejiang Provincial Award for Technological Invention. This is a renewal of the honor we received in 2017. The project was jointly developed by NHU and Zhejiang University after over ten years of unremitting exploration. Led by Mr. Wang Yong, Deputy Chief Engineer of NHU, the project team successfully broke through the technical bottleneck and developed a series of high-performance hydrogenation catalysts with independent intellectual property rights, addressing the challenge of specific micro-nano structures of catalysts needed for multiple types of hydrogenation reactions. The promotion and application of the project will help cultivate an industrial cluster of vitamins and aroma chemicals with a complete industrial chain featuring leading technologies. This will significantly contribute to the transformation and upgrading of the national fine chemical industry and its scientific and technological progress.Honored by this award, NHU will continue to stay on the main course with an open mind in cooperation with partners and coordination with internal force on the basis of prospective studies, industrialization studies, and studies on the applied technologies in the realm of chemical synthesis and biotechnology. We will give full play to the role of scientific and technological innovation in supporting and leading the economic and industrial development, actively contribute to the high-quality development of the chemical industry and create lasting value for it.

View details
四虎影库永久在线 | 日韩性网站 | 青青草97国产精品免费观看 | 天堂а√在线中文在线鲁大师 | 亚洲图片在线观看 | 美女一区二区三区在线观看 | 深夜福利片 | 日日碰狠狠添天天爽 | 视频免费在线观看 | 国产精品人人做人人爽人人添 | 在线色图 | 国产手机在线 | 一区二区三区www污污污网站 | 伊人网在线视频 | 精品久久一区二区 | 欧美日韩精品一区二区在线播放 | 亚洲影视在线观看 | 51免费看片 | 午夜精品久久久久 | 日韩成人精品视频 | 日韩在线中文字幕 | 新婚之夜玷污岳丰满少妇在线观看 | 香蕉视频日本 | 中文字幕在线观看免费高清 | 国产伦理在线观看 | 51免费看片 | 120分钟做爰免费视频 | 爱爱91| 亚洲精品一二三区 | 人妻中文字幕一区二区三区 | 国产色一区 | 舌头进去里面吃小豆豆动态图 | 粗大挺进潘金莲身体在线播放 | gogogo高清免费播放 | 台湾三级电影在线观看 | 久久精品99久久久久久 | 91 久久 | 五月天狠狠干 | 精品香蕉视频 | 这里只有精品9 | 男女小视频 | 国产va在线观看 | 欧美日韩经典 | 久久久久久久一区二区三区 | 欧美sm视频 | 美女被猛网站vr | 舌头伸进去添的我好爽 | 影音av资源站 | 黑人操欧美人 | 美女一区二区三区在线观看 | 欧美最猛黑人xxxx黑人猛交 | 人人草网站 | free性hd另类医生 | 一本av在线 | 欧美一级淫片免费视频魅影视频 | 韩国三级hd中文字幕的背景音乐 | 男生下面伸进女人下面的视频 | 精品三级视频 | 很黄很黄的视频 | 成人免费视频观看 | 日本五十路在线观看 | 久久五月情 | 少妇搡bbbb搡bbb搡忠贞 | 久草成人 | 9999在线视频 | 丰满少妇又紧又爽又粗 | 久久久久久久91 | 亚洲成熟少妇 | 丰满圆润老女人hd | 欧美天堂在线观看 | 韩国三级日本三级 | 床戏做爰高潮视频 | 国内精品久久久久久久影视简单 | www.久久久久久 | 五月婷婷基地 | 操老女人的逼视频 | 欧美日韩一级二级三级 | 女生被男生操的视频 | 日韩一区二区三区电影 | 中文电视剧免费观看高清 | 亚洲精品一区二三区 | 阿的白色内裤hd中文 | 女同互慰吃奶互揉 | 好大好湿硬顶到了的好爽视频 | 黄色毛毛片 | 久久视频中文字幕 | 免费在线观看黄网站 | 男生女生互操 | 国产伦精品 | 森泽佳奈在线播放 | 午夜精品极品粉嫩国产尤物 | xxxx免费视频| 日本五十路在线观看 | 欣赏裸体模特胴体 | 在线观看av的网站 | 欧美性猛交xxxx乱大交3 | 少妇xxxxxx| 美女视频在线播放 | 亚洲一区电影 | 亚洲精品97久久 | 午夜亚洲 | 日韩在线欧美在线 | 亚洲国产日韩欧美 | 国产成人在线免费观看 | 天天操天天干天天舔 | 丰满少妇被猛烈进入30p | 女futa攻玩遍整个后宫 | 日韩色在线| 国内视频一区 | 特黄视频免费看 | 中文视频在线 | www.com国产 | 国产第3页 | 欧美一级淫片免费视频魅影视频 | 天天操网 | 性生活动态视频 | 女教师痴汉调教hd中字 | 国产片淫乱18一级毛片动态图 | 久久超碰精品 | 快播一级片 | 黑料福利 | 日本天堂影院 | 免费看黄色片子 | 日韩av免费看 | 91看片视频 | 人人视频精品 | 久久亚洲专区 | 亚洲伦理精品 | 欧美精品偷拍 | 女优在线观看 | 舌头进去里面吃小豆豆动态图 | 久久久久久久国产精品 | 三年中文免费视频大全 | 天天操天天干天天舔 | 久久精品日韩无码 | 欧美一区二区激情视频 | 久久黄网站 | 一二三区在线视频 | 成人毛片基地 | 久久久九九| 国产做爰视频免费播放 | 欧美一级大片在线观看 | 伊人亚洲综合 | 美女被猛网站vr | 日韩一区在线视频 | 人妻互换一区二区激情偷拍 | 国产又黄又爽又色 | 久久精品在线免费观看 | 狼人综合网| 中出视频在线观看 | 日本熟女一区二区 | 午夜看片网 | 人妻中文字幕一区二区三区 | 成人av网站在线播放 | 亚洲成人精品av | 老阿姨才是最有味道免费观看韩剧电视剧 | 青楼女人绝活免费观看电视剧完整版 | 思思99re | 亚洲成熟少妇 | 国产av成人一区二区三区高清 | 每晚和邻居做爰口述爽 | 日日噜噜夜夜狠狠久久波多野 | 谁有免费黄色网址 | 三级成人 | 在线国产一级 | av导航网| 四虎永久免费地址 | 国模大尺度私拍视频 | 91精品一区二区三区四区 | 粉嫩久久99精品久久久久久夜 | 精品成人在线观看 | 舌头伸进去添的我好爽 | 青青草福利 | 亚洲天堂成人在线观看 | 欧美激情网址 | 婷婷久草 | 成人av黄色 | 在线看黄免费 | 欧美亚洲另类图片 | 王鸥大尺度做爰未删减 | 欧美激情第二页 | 亚洲热热 | 日韩成人精品视频 | 日本黄色录相 | 91高清在线 | 中文字字幕码一二三区 | 日本一区二区三区在线观看 | 夜夜躁狠狠躁日日躁av | www.久久久久久 | 黄色欧美网站 | 成人性做爰aaa片免费 | 亚洲av色香蕉一区二区三区 | 久久桃色 | 天天操夜夜撸 | 在线视频亚洲 | 中日韩精品一区二区三区 | 国产做爰视频免费播放 | 亚洲逼院| 欧美日韩在线一区二区三区 | 毛片三级 | 国产成人综合网 | 欧美日本韩国在线 | 国产精品高潮呻吟久久 | 成人动漫在线观看视频 | 69视频在线 | 亚洲综合色一区 | 男生女生互操 | 日韩高清一区二区 | 午夜写真片福利电影网 | 美女被猛网站vr | 潘金莲肉床伦理 | 久久国产一区 | 欧美另类视频 | 无码国产精品一区二区高潮 | 国产第一页屁屁影院 | 免费黄色大片网站 | 国产亚洲精品久久久久动 | 亚洲精品白浆高清久久久久久 | 日本三级大片 | 蜜桃成人av | 韩国合集床戏三小时 | 二个少妇帮我囗交 | 欧美日韩不卡 | 色多多av| 校园春色中文字幕 | 片多多在线观看 | 国产精品99精品久久免费 | 青青操在线观看 | 国产精品乱码一区二区 | 麻豆亚洲av熟女国产一区二 | 日本熟妇乱子伦xxxx | 男女国产 | 91色在线视频 | 欧美精品乱码99久久蜜桃 | 欧美网站在线 | 久久人妻一区二区 | 国产不卡二区 | 亚洲一区二区 | 国产成年人视频 | 日韩三级中文字幕 | 日韩在线你懂的 | 男人天堂中文字幕 | 欧美黄色一区 | www.香蕉网| 中国美女专干屁股眼 | 免费播放一区 | 欧美激情aaa | 免费成人短视频 | 熊猫成人网| 久久久久久国产视频 | www.一区 | 国产一区二区三区91 | 视频久久 | 国产av成人一区二区三区高清 | 大又大又粗又硬又爽少妇毛片 | 国产一区二区三区四区五区 | 日韩精品一区二 | 国产又粗又猛又黄 | 欧美日韩欧美 | 久久精品在线播放 | 亚洲第一黄网 | 欧美人狂配大交3d | 国产亚洲精品久久久久动 | 国产伦精品一区二区免费 | 美女久久 | 国产一区影院 | 中文字幕亚洲一区 | 午夜男人的天堂 | 欧美男男在线 | 男女爱爱免费视频 | 中文电视剧免费观看高清 | av永久免费| 欧美亚洲自拍偷拍 | 午夜精品久久久久久久久久 | av在线二区| 男生捅女生视频 | 一级片网址 | 黄色一级片网站 | 免费黄色在线网站 | 五月深爱| 日韩成人一区二区三区 | 精品久久一区二区 | 在线精品一区 | 91激情视频在线观看 | 无码国产精品一区二区色情男同 | 国产精品一区二三区 | 欧美另类视频 | 欧美一级淫片aaaaaa | 日本天堂影院 | 青青久视频 | 人妻中文字幕一区二区三区 | 久久ww | 欧美一区二区三区 | 欧美日韩性生活视频 | 欧洲做受高潮欧美裸体艺术 | 亚洲九九九 | 性免费视频 | 99热成人| 无人在线观看高清视频 | 性欧美69 | 少妇熟女视频一区二区三区 | 欧美色老太 | 精品无码av在线 | 茄子视频懂你更多在线观看 | 性生活毛片 | 国产乱论视频 | 黄色三级图片 | 中日韩精品一区二区三区 | 久久精品国产sm调教网站演员 | 色婷婷视频 | 欧美一区二区三区色 | 欧美日韩精品一区二区三区四区 | 日本免费毛片 | 国产免费啪啪 | 国产精品第二页 | 少妇被猛烈进入 | 高h乱l高辣h文短篇h | 青青草原av| 日本一区二区三区在线观看 | 国产精品人人妻人人爽 | 久久久久免费看 | 又黄又免费的视频 | 少妇脚交调教玩男人的视频 | 一区二区精品在线 | 黄色地址| 国产探花在线精品一区二区 | 丰满少妇又紧又爽又粗 | 奇米视频在线 | 色性网站 | 国产手机在线 | 久久福利国产 | free性丰满69性欧美天美 | 91 久久| 爽爽爽av | 91尤物视频 | 日本黄色片. | 麻豆短视频在线观看 | 成人激情视频在线播放 | 国模大尺度私拍视频 | 日韩第二页| 这里只有精品9 | 国产91精品看黄网站在线观看 | 娇妻援交俱乐部h | 亚洲男女视频 | 亚洲国产99 | 黄片毛片 | 亚洲精品白浆高清久久久久久 | 海角社区在线视频播放观看 | 躁躁躁日日躁 | 午夜a视频 | 久久久久久国产视频 | 三级黄色av| 精品国产一区在线观看 | 成年人视频在线免费观看 | 黄色影像影片. | 中文字幕一区电影 | 大地资源二中文在线影视观看 | 人妻中文字幕一区 | 亚洲h网站 | 精品三级 | 欣赏裸体模特胴体 | 超碰青青操 | 九九视频在线免费观看 | 亚洲一在线 | 色人阁视频 | 欧美性猛交xxxx黑人交 | 日韩在线视频看看 | av在线入口 | 四虎永久免费地址 | 九九色| 免费黄色在线网站 | 国产精品婷婷午夜在线观看 | 色人阁视频 | 国模无码国产精品视频 | 日韩天堂av | 欧美大尺度做爰啪啪床戏明星 | 91看片视频| 久久精品电影 | 久久精品视频一区二区三区 | 在线国产一级 | 激情亚洲色图 | 亚洲欧洲综合av | 美女扒开腿让男人桶软件 | 黄色超污网站 | 97精品人妻一区二区三区在线 | 电影一区二区三区 | 岛国黄色片 | 热久久国产 | 大尺度床戏视频 | 亚洲桃色av | 阿的白色内裤hd中文 | 黄黄的视频 | 国产探花在线精品一区二区 | 一级a毛片免费观看久久精品 | 日韩av动漫 | 日本爱爱视频 | 精彩毛片 | 男女激情大尺度做爰视频 | 亚洲av综合色区无码另类小说 | 国产一区二区影院 | 日本人做受免费视频 | 亚洲天堂国产 | 色黄网站| 日韩国产免费 | 舞蹈系清纯舞蹈生被c视频 亚洲女同一区二区 | 校园春色中文字幕 | 欧美性猛交| 日本黄色片.| 中文字幕一二三四 | 久久精品视频一区二区三区 | 天天天天干 | 韩国三级中文字幕电影 | 久久久久久久久99 | 华人永久免费视频 | 国产探花av | 免费一级片网站 | 无码gogo大胆啪啪艺术 | 91偷拍一区二区三区精品 | 五月中文字幕 | 阿的白色内裤hd中文 | 蜜桃视频传媒入口 | 最新国产拍偷乱偷精品 | 在线看av网址 | 少妇一级1淫片 | 桃色在线观看 | 一二三区在线视频 | 精品香蕉视频 | 国产精品人人妻人人爽 | 久久久久激情 | 久久黄色一级片 | 97人妻精品一区二区免费 | 一个人在线观看www软件 | 女生张腿男生桶 | 特黄a级片| 已满18岁免费观看电视连续剧 | 日韩免费一区二区三区 | 中文字幕va | 无码人妻一区二区三区在线 | 天堂影视av| 久久鲁视频 | 久久久成人精品 | 日本在线观看www | 亚洲超碰在线 | 国产精品视屏 | 深夜成人福利视频 | 男人插入女人下面视频 | 美国一级大黄一片免费中文 | 在线观看黄色小说 | 性欧美又大又长又硬 | 亚洲午夜精品久久久久久app | 韩国三级电影播放 | 国产资源站 | 啊啊嗯视频 | 美女穴穴| 18日本xxxxxxxxx95| 亚洲无人区码一码二码三码 | 色av网站| 午夜精品久久久久久久久久 | 蜜桃成熟5 | 国产真实伦对白全集 | 91视频导航 | 日本不卡网站 | 1024国产精品 | 午夜免费大片 | 在线免费观看黄色 | 五月伊人网| 亚洲精品一区二区三区四区 | 午夜看片网 | 免费一级片网站 | 免费毛片大全 | 操日本老女人 | 秋霞在线观看视频 | 精品视频一区二区三区四区 | 爱情岛亚洲首页论坛 | 成人三级视频 | 亚洲欧洲天堂 | 国产精品高潮呻吟久久 | 91美女视频在线观看 | 香蕉视频18 | 久久久久一区二区三区 | 一区免费在线观看 | 亚洲av色香蕉一区二区三区 | 亚洲av色香蕉一区二区三区 | 精品国产伦一区二区三 | 无人在线观看高清视频 | 成人日韩在线 | 爱爱爱免费视频 | 人妻互换一区二区激情偷拍 | 影音av资源站 | 免费看黄软件下载入口69视频 | 天天躁夜夜躁狠狠是什么心态 | 青青草手机视频在线观看 | 米奇影视777 | wwxx日本| 国产成人综合av | 色偷偷欧美 | 男女视频在线 | 久久久久久久久久久久久久久久久久久久 | 无码国产精品一区二区高潮 | 王鸥大尺度做爰未删减 | 亚洲色图第一页 | 国内精品久久久久久久影视简单 | 黄色超污网站 | 无人在线观看高清视频 | 久久青青草视频 | 男女国产 | 女生张腿男生桶 | 日本一区二区精品视频 | 国产伦精品一区二区三区妓女下载 | 亚洲午夜精品久久久久久app | 男生捅女生视频 | 久久久久久一 | 欧美日韩经典 | 操性感少妇 | 中国特级片 | 国产三级网 | 五月天色综合 | 男女一起插插插 | 91尤物视频| 欧美日韩亚洲在线 | 黄色毛毛片 | 人妻中文字幕一区 | 亚洲交性网 | 爱爱视频网址 | 精精久久| 五月激情婷婷网 | 国产激情av在线 | 色综合99| 99热亚洲| 午夜视频h | 国产91清纯白嫩初高中漫画 | 成人激情视频在线播放 | 王鸥大尺度做爰未删减 | 天天干天天天天 | 青楼女人绝活免费观看电视剧完整版 | 免费黄色在线看 | av影视大全 | 中文字幕视频在线播放 | 成人精品视频 | 爆操女友| 日韩av免费在线看 | 4438五月天| 日韩精品视频一区二区三区 | 狠狠躁夜夜躁 | 免费v片在线观看 | 无码人妻精品一区二区三 | 丁香啪啪 | 亚洲欧美日韩在线 | 黄色成年视频 | 日韩精品一区二 | 久久无码视频一区 | 四虎国产视频 | 久久九九国产 | 久久伊人久久 | 五月天综合| 成年人视频在线免费观看 | 黄色av网站在线播放 | 人妻互换一区二区激情偷拍 | 黄色一级片网站 | 久久久久亚洲av成人网人人软件 | 欧美网站在线 | 亚洲成人动漫在线观看 | 激情小说综合网 | 狠狠操五月天 | 91麻豆精品国产91久久久更新资源速度超快 | 成人淫片| 狠狠爱免费视频 | 欧美做爰全过程免费观看 | 久久伊人久久 | 波多野结衣三级视频 | 中出视频在线观看 | 亚洲熟女乱综合一区二区三区 | 呦呦精品| 欧美黄色大片在线观看 | 插插插91 | 日韩一级精品 | 亚洲高清视频在线观看 | 97影院| 免费成人在线网站 | 无码人妻av免费一区二区三区 | 日本极品丰满ⅹxxxhd | 欧美日韩一卡 | 九九视频在线免费观看 | 国产熟女一区二区 | 伦理吸我的奶水hd | 日本丰满熟妇bbxbbxhd | 欧洲另类一二三四区 | 日韩一级精品 | 少妇一级淫片免费 | 一级片网址| 在线看日韩| 男人午夜网站 | 奇米视频在线 | 丰满少妇被猛烈进入30p | 蜜桃成人无码区免费视频网站 | 男舔女逼视频 | 添女人荫蒂全部过程视频 | 91尤物视频| 免费成人短视频 | 女人一级片 | 亚洲五十路 | 美丽的姑娘观看在线播放 | 国产一级二级 | 五月伊人网 | 在线观看亚洲专区 | 黄a大片| 国产一区二区三区在线视频 | 日日射射| 天天躁夜夜躁狠狠是什么心态 | 欧美男男在线 | 综合网亚洲| av无码精品一区二区三区宅噜噜 | 亚洲天堂一区 | 超碰超碰97| 黑人操亚洲美女 | 男插女逼视频 | 男女上床视频网站 | 日韩在线欧美在线 | 稚嫩h男娃h粗大怀孕 | jizz中国女人高潮 | 91社区视频 | 狠狠操五月天 | 免费一级片网站 | 久久精品电影 | 国产无遮挡裸体免费视频 | 天天干少妇 | 久久精品久久久久久久 | 69视频网| 伊人网在线 | 伊人亚洲综合 | 黄色一级影院 | 国产综合在线观看视频 | 新婚之夜玷污岳丰满少妇在线观看 | 日韩理论视频 | 欧美性大战久久久 | 欧美一级片在线 | 一级伦理片 | 欧美男男在线 | 一区二区三区免费看 | 爆操女友 | 日韩黄色大片 | 欧美一区二区视频在线 | 中文字幕一区电影 | 日韩精品久久久久久久酒店 | 亚洲熟女乱综合一区二区三区 | 草莓在线| 稚嫩h男娃h粗大怀孕 | 国产真实伦对白全集 | 男人资源网站 | 国内精品久久久久 | sm羞耻姿势图片 | 国产精品人妻一区二区三区 | 激情综合亚洲 | 欧美一区二区三区色 | 中文字幕一二三四 | 国产高清成人 | 亚洲超碰在线 | 三上悠亚电影在线 | 久久桃色 | 奇米四色777| 青青草原免费观看 | 亚洲一区欧美日韩 | 日本高清精品 | 黄色无毒网站 | 日韩av电影在线播放 | 五月婷综合 | 日本免费一区二区三区 | 亚洲av综合色区无码另类小说 | 男人资源站 | 国产全肉乱妇杂乱视频 | 亚洲日本在线播放 | 欧美一区二区视频在线 | 国内精品久久久久 | 老鸭窝视频在线观看 | 国产精品视频不卡 | 91呦呦 | 亚欧色| 桔子在线观看全集 | 午夜剧场福利 | 中文精品一区二区三区 | 免费观看nba乐趣影院 | 大地二资源在线观看高清国语版 | 天堂网av在线 | 男人插女人下面视频 | 成人日韩欧美 | 草草影院1| 手机成人在线视频 | 思思99re | 美女黄视频网站 | 中文字幕精品无码一区二区 | 精品日韩在线 | 成年人网站免费观看 | 精品国产伦一区二区三 | 天堂在线中文网 | 性生活毛片 | 中文字幕亚洲一区 | 合欢视频污 | 好大好湿硬顶到了的好爽视频 | 操碰在线观看 | 女女h百合无遮涩涩漫画软件 | 狠狠香蕉 | 欧美日韩三级电影 | 不知火舞被c | 婷婷五月在线视频 | 成人av网站在线播放 | 亚洲欧美综合7777色婷婷 | 无码gogo大胆啪啪艺术 | 日韩在线欧美在线 | 日本熟妇乱子伦xxxx | 免费看污视频的网站 | 在线观看av的网站 | 欧美在线精品一区二区三区 | 美女扒开腿让男人桶软件 | 天天干天天看 | 久久国色| 黑人操亚洲美女 | 久久人妻一区二区 | 欧美一区二区激情视频 | 毛片动态图 | 国产毛片基地 | 美女二区 | 免费看污视频的网站 | 国产人妻人伦精品1国产丝袜 | 亚洲av综合色区无码另类小说 | 国产成人精品毛片 | 海角社区在线视频播放观看 | 人妻中文字幕一区 | 欧美日韩在线一区二区三区 | 秋霞免费av | 天美乌鸦星空mv | 国产精品久久久久久久久 | 成人在线高清 | 91美女视频在线观看 | 给我免费播放 | 国产精品五区 | 日韩一级生活片 | 国产精品久久影院 | 男的操女的视频 | 精品少妇人妻av一区二区三区 | 亚洲色图首页 | 亚洲高清视频在线观看 | 久久99精品久久久 | 欧美性在线视频 | 国产毛片一区二区三区 | 女生张腿男生桶 | 久久久久无码国产精品一区 | 熟女人妻aⅴ一区二区三区60路 | 99re在线观看视频 | 91丨九色丨海角社区 | sm羞耻姿势图片 | 国产91白丝在一线播放 | 亚洲人高潮女人毛茸茸 | 欧美手机在线视频 | 亚洲女同一区二区 | 欧美精品一区在线发布 | 神马老子午夜 | 人妻互换一区二区激情偷拍 | 中出视频在线观看 | 久久精品国产sm调教网站演员 | 公交车上和陌生人做了爱 | 欧美午夜精品一区二区三区电影 | 精品久久九九 | 国产第3页 | 福利国产视频 | 佐山爱av在线播放 | av狠狠操| 夫妻黄色片 | 五月婷婷激情综合网 | 日本性高潮视频 | 国产高潮国产高潮久久久 | 黄色一级片网站 | 一区二区三区免费看 | 久久精品国产一区二区 | 国产精品一级片 | 日本丰满熟妇bbxbbxhd | 男女av免费 | 调教师鞭臀虐菊男男调教在线观看 | 桃色在线观看 | 男女视频在线 | www.黄色av| 在线看黄网站 | 日本免费一区二区三区 | 可乐操av| 91激情视频在线观看 | 乱码一区二区三区 | 天堂v在线观看 | 在线免费观看 | 日本爱爱视频 | 男人天堂中文字幕 | 色女仆影院 | 欧美一区二区影院 | 中文字幕在线播放第一页 | 久久成人精品视频 | 欧美激情综合网 | 97超碰在线播放 | 欧美成人一区二区三区 | 麻豆亚洲av熟女国产一区二 | 一区二区三区精品在线 | 91插插插视频 | 性迷宫在线 | 成人激情综合网 | 久久久久久久一区二区 | 国产免费不卡 | 中文字字幕码一二三区 | 久久综合一区二区三区 | 欧美在线观看免费高清 | 亚洲色图首页 | 亚欧色 | 青青草视频网站 | 免费一级大片 | 天堂在线中文网 | 午夜av在线播放 | 黄色成人免费视频 | 日韩制服在线 | 美女黄视频网站 | 欧美亚洲自拍偷拍 | 青青草视频播放器 | 高清av网站 | 欧美性tv| 老阿姨才是最有味道免费观看韩剧电视剧 | 美女搞机 | 激情亚洲色图 | 国产男男gaygay网站xnxx | 国产农村妇女aaaaa视频 | 亚洲高清免费观看 | 中文av之家 | 亚洲人交配视频 | 伊人精品久久 | 操碰在线观看 | 夜夜骑天天操 | 香蕉色网 | 97精品人妻一区二区三区在线 | 亚洲va视频| 成人无码视频 | 日韩理伦片午夜理伦片 | 亚洲一区二区自拍 | av最新地址| 中文字字幕码一二三区 | 亚洲女人的天堂 | 国产精品人妻一区二区三区 | 黄色一级片. | 青青草手机视频在线观看 | av番号在线观看 | 狠狠躁日日躁夜夜躁av | 国产探花av | 国产尤物在线观看 | 91视频在线观看免费 | 国内视频一区 | 久久ww | 婷婷色中文字幕 | 粉嫩久久99精品久久久久久夜 | 亚洲操操操 | 在线观看日韩欧美 | 欧美xx视频| 亚洲第一黄网 | 一级欧美一级日韩片 | 亚洲无人区码一码二码三码 | 午夜在线观看视频 | 男女日批视频 | 无码人妻av免费一区二区三区 | 久久成人精品视频 | 天天狠天天操 | 久久久久久久久影院 | 中文字幕第11页 | 国产午夜视频在线观看 | 四虎4hu永久免费网站影院 | 国产伦精品一区 | 午夜久久久久 | 69亚洲| 黑人黄色大片 | 熟女av一区二区三区 | 免费看黄色网 | 一区二区三区精品在线 | 韩国av毛片| 91成人在线 | 成人免费视频国产在线观看 | 师尊撅着屁股边挨脔边挨打屁股 | 国产第一页屁屁影院 | 青楼女人绝活免费观看电视剧完整版 | 狠狠干2017| 国产中文在线播放 | 老女人丨91丨九色 | 99国产精品视频免费观看一公开 | 欧美大尺度做爰啪啪床戏明星 | 国产一二三视频 | 俺来也最新网址 | 亚欧色| 成人xxxxx| 亚洲毛茸茸| 四虎永久免费在线观看 | 黄色超污网站 | 蜜臀网站| 国产一级网站 | 久久久久国产精品无码免费看 | 国产91熟女高潮一区二区 | 99热在| 欧美日韩在线视频观看 | 黄色免费小视频 | 久久精品视频99 | 免费成人短视频 | 一边摸一边做爽的视频17国产 | 日本人日b视频 | 婷婷av在线| 亚洲在线观看av | 男人女人啪啪 | 免费看黄色网 | 搓澡工摸硬了警察的的大j8 | 欧美手机在线视频 | 大尺度做爰床戏呻吟舒畅 | 91麻豆精品91久久久久同性 | 四虎图库 | 尤物视频入口 | 日韩欧美一区二区三区四区 | 欧美色图888 | 已满18岁免费观看电视连续剧 | 午夜精品久久久久久久久久久久久蜜桃 | 久久久人体 | 五月激情婷婷网 | 五月婷婷丁香网 | 久草热在线 | 国产一区二区三区四区五区 | 久久久在线| 亚洲人高潮女人毛茸茸 | 欧美日韩高清免费 | 痞子gay大猛—xnxx2 | 国产男男gaygay网站xnxx | 男男r18 | 欧美123区| 欧美丰满美乳xxⅹ高潮www | 国产中文在线播放 | 无套内谢少妇毛片 | 欧美在线观看免费高清 | 帮老师解开蕾丝奶罩吸乳网站 | 被老师摁着强进了她的身体 | 日韩在线视频看看 | 蜜臀久久| 国产精品888| 秘密基地在线观看完整版免费 | 国产做爰视频免费播放 | 欧美性猛交xxxx乱大交蜜桃 | 成年人免费观看网站 | 久久久久久精 | 久久久久久久91 | 男生捅女生视频 | 免费观看黄色av | 亚洲精品久久久久久无码色欲四季 | 在线亚洲精品 | 男人资源站 | 大乳女喂男人吃奶视频 | 羞羞免费视频 | 草草影院1| 天天天天躁天天爱天天碰2018 | 浓精灌孕h校园h乱小视频 | 久久国色| 师尊撅着屁股边挨脔边挨打屁股 | 国产美女高潮视频 | 日韩激情在线播放 | 翔田千里在线视频 | 国产精品视频不卡 | 亚洲系列第一页 | 久久国产中文字幕 | 黄色欧美网站 | 免费成人激情视频 | 性迷宫在线 | 久久精品国产电影 | 草莓香蕉视频 | 国产精品一级片 | 一边摸一边做爽的视频17国产 | 乱码一区| 国产欧美在线观看视频 | 日韩精品视频一区二区三区 | 亚洲欧美另类中文字幕 | 动漫美女被爆操 | 性满足bwbwbwbwbw | 欧美成人三级 | 午夜欧美激情 | 国内精品久久久久久久影视简单 | 亚洲影视在线观看 | 成人午夜毛片 | 日韩新片王网 | 成人免费一级片 | 大尺度做爰床戏呻吟舒畅 | av福利网址 | 久久精品99久久久久久 | 51 吃瓜网 | 免费网站观看www在线观 | 91免费看黄 | 婷婷精品国产一区二区三区日韩 | 天天艹夜夜艹 | 精品久久人人妻人人做人人 | 欧美成人激情在线 | 亚洲精品乱码久久久久久久久久久久 | 亚洲制服丝袜在线 | 天堂成人在线 | 国产精品一级片 | av手机免费在线观看 | 毛片无码一区二区三区a片视频 | 毛片无码一区二区三区a片视频 | 中文字幕亚洲一区 | 少妇xxxxxx| 91精品秘密在线观看 | 在线观看麻豆视频 | 久草热线 | 啊啊嗯视频 | 欧美激精品 | 国产欧美精品一区二区三区 | 不知火舞被c | 日韩免费av | 国产亚洲精品久久久久动 | 在线观看日韩欧美 | 成年人午夜影院 | 久久久久亚洲视频 | 国产精品18p | 91成人精品视频 | 免费成人在线网站 | 午夜在线观看影院 | 三年中文免费视频大全 | 黄色一级影院 | 在线成人国产 | 在线看黄网 | 无码人妻精品一区二区三区温州 | 午夜在线观看视频 | 久久久九九 | 91偷拍一区二区三区精品 | 自拍第一页| 久草手机在线 | 欧美性生活一区二区三区 | 91成人精品视频 | 一本色道久久综合狠狠躁的推荐 | 成人一级网站 | 四虎永久免费在线观看 | 日本丰满熟妇bbxbbxhd | www.com国产 | 性迷宫在线 | 狠狠艹狠狠干 | 穿半透明情趣旗袍啪啪 | 好男人在线观看 | 成人动漫在线观看视频 | 婷婷av一区二区三区 | 又黄又免费的视频 | 午夜久久久久 | 香蕉色网 | 狠狠操网址 | 欧洲三级视频 | 国产午夜视频在线观看 | 少妇被躁爽到高潮无码人狍大战 | 校园春色中文字幕 | 中文字幕一区二区人妻 | 色呦呦网站 | 久久国产一区 | 中文字幕在线高清 | 欧美二区视频 | 医生脱了内裤猛烈进入 | 男舔女逼视频 | 久久噜| 91视频官网 | 日韩在线欧美在线 | 国产精品无码免费播放 | 国产女人和拘做受视频免费 | 精品国产一区在线观看 | 久久99精品久久久久 | 91中出| 黑丝美女被c | 99精品电影 | 嗯啊灬啊灬灬欧美视频 | 人妻互换一区二区激情偷拍 | 欧美成人一区二区三区 | 在线观看日韩欧美 | 欧美一区二区三区 | 欧美另类视频 | 欧洲金发美女大战黑人 | 日韩中文字幕视频在线观看 | 久久精品国产一区二区 | 午夜精品在线播放 | 九九一级片 | 四虎永久在线视频 | 男男做爰猛烈叫床爽爽小说 | 欧美一区二区三区视频在线 | 免费一级网站 | 成年人视频在线 | 久久精品999 | 草莓视频污在线观看 | 成人免费xxxxx在线观看 | 亚洲 小说区 图片区 | 性生活动态视频 | 超碰997| 年轻 娇小 亚洲人 日本语 | 亚洲欧美日韩在线播放 | 一区二区三区四区五区六区 | 久久男女视频 | 亚洲成人二区 | 在线观看黄色小说 | 天天干女人 | 亚洲怡春院 | 无码国产精品一区二区色情男同 | 欧美日韩高清免费 | 久久午夜一区 | 国产视频导航 | 午夜精品久久久久久久久久久久久蜜桃 | 久久国产在线视频 | 久久久久久久91 | 两男操一女视频 | 中国毛片基地 | 免费成人在线网站 | 青青草视频播放器 | 熟女人妻aⅴ一区二区三区60路 | 操日本美女 | 女人叉开腿让男人捅 | 少妇脚交调教玩男人的视频 | 国产片淫乱18一级毛片动态图 | 天堂影视av | 欧美成人激情视频 | 伊人成综合 | 娇小xxxxbxb黑人xx | gogogo高清免费播放 | 爱丫爱丫电视剧视频免费高清 | 久久久久久久久久久久久久久久久久久久 | 国产伦理在线观看 | 免费在线观看黄网站 | 欧美日韩在线视频观看 | 一区二区三区www污污污网站 | 性工作者十日谈 | heyzo在线播放 | 久久久久久久久影院 | 91视频日本 | 日韩精品一二三 | 亚洲视频二区 | 国产精品图片 | 穿半透明情趣旗袍啪啪 | 欧美在线网址 | 手机成人在线视频 | 女的高潮流时喷水图片大全 | 日韩av高清无码 | 国产一二三视频 | 国产精品第二页 | 一区二区在线免费观看 | 舌头进去里面吃小豆豆动态图 | 成人欧美精品一区二区 | 国产丝袜av | 献给魔王伊伏洛基亚吧动漫在线观看 | 老女人丨91丨九色 | 日本三级少妇 | 草莓成人 | 国产+高潮+白浆+无码 | 国产色在线 | 欧洲另类一二三四区 | 成人动漫免费观看 | 王鸥大尺度做爰未删减 | 午夜一区二区三区在线 | 日本一区二区三区在线观看 | 麻豆国产一区 | 成人av黄色| 97青青草 | 天天操天天干天天操 | 黄色成年视频 | av手机免费在线观看 | 亚洲精品乱码久久久久久久久久久久 | 神马老子午夜 | 麻豆久久久久久久 | 欧美一级淫片aaaaaa | 婷婷av一区二区三区 | 日韩中文字幕视频在线观看 | 一起草最新网址 | 亚洲久久色 | 国产999精品久久久久久 | 日本人做受免费视频 | 亚洲永久网站 | 欧美大片在线观看 | a级大片| 深夜成人福利视频 | 久久精品久久久久久久 | 大乳女喂男人吃奶视频 | 国产精品久久影院 | 日本丰满bbwbbw厨房 | 国产一级二级 | 四虎国产视频 | 警察高h荡肉呻吟男男 | 亚洲日本在线播放 | 人妻精油按摩bd高清中文字幕 | 老女人裸体看个够 | 国产一区二区三区在线视频 | 丁香视频 | 一区二区三视频 | 69国产精品| 亚洲女人的天堂 | 久久国产激情 | 少妇喷水视频 | 久久久久久久久久久国产 | 国产精品人人做人人爽人人添 | 女同互慰吃奶互揉 | 插插影视| 天堂影院av | 日韩在线欧美在线 | 国产高清成人 | 成人动漫一区二区三区 | 国产不卡二区 | 亚洲午夜一区 | 久久超碰精品 | 精品一区二区三区四区 | 校园春色中文字幕 | 毛片动态图| 亚洲色图首页 | 久久精品视频一区二区三区 | 亚洲美女网站 | 日韩中文字幕一区二区 | 久久国产精品一区 | 一区三区在线观看 | 乱子伦一区二区三区 | 女的高潮流时喷水图片大全 | 天堂精品在线 | xxxx免费视频| 久久人妻一区二区 | 色婷婷视频在线 | 人妻少妇精品无码专区久久 | 欧美日韩高清免费 | 91国产视频在线观看 | 国产黑丝91 | 99久久婷婷 | 男人操女生 | 少妇xxxxxx | 天天操天天干天天舔 | 91视频在线观看免费 | 亚洲a在线观看 | 瑟瑟视频在线 | 91麻豆精品国产91久久久更新资源速度超快 | 欧美污视频 | 韩国三级在线看 | 无码国产69精品久久久久网站 | 欧美在线影院 | 综合网久久 | 91大神精品在线观看 | 亚洲第一av网 | 中文字幕亚洲一区 | 国产又大又长又粗 | 亚洲最大激情网 | 久久久久久久久久久久久久久久久久久久 | 免费一级网站 | 谁有免费黄色网址 | 午夜日韩欧美 | 天堂在线中文网 | 国内精品久久久久久久影视简单 | 日韩免费视频网站 | 男女一起插插插 | 欧美综合第一页 | 东北少妇露脸无套对白 | 成人午夜免费视频 | 中国特级片 | 欧美xx视频 | 国产91白丝在一线播放 | 好吊色视频一区二区 | 日韩毛片无码永久免费看 | 一区二区视频 | 青青草手机视频在线观看 | 萌白酱福利视频 | 免费看裸体网站 | 日韩一级生活片 | 亚洲女同一区二区 | 国产成人在线免费观看 | 警察高h荡肉呻吟男男 | 午夜一二三 | 婷婷爱五月 | 男男做爰猛烈叫床爽爽小说 | 中文电视剧免费观看高清 | 青楼女人绝活免费观看电视剧完整版 | 国产毛毛片 | 午夜精品少妇 | 天堂网av在线 | 久久精品亚洲精品 | 在线免费观看黄色 | 婷婷狠狠 | 久久久久无码国产精品一区 | 欧美一区二区在线看 | 亚洲人高潮女人毛茸茸 | 日韩在线欧美在线 | 久久精品国产一区二区 | 最新国产拍偷乱偷精品 | 亚洲男女啪啪 | 天天操天天干天天舔 | 日韩av免费看 | 欧美三极片 | av片在线播放 | 色婷五月天 | 97播播 | 在线中文av | h在线看| 成人国产网址 | 丰满少妇又紧又爽又粗 | 躁躁躁日日躁 | 青青草原av | 日韩城人视频 | 蜜臀久久99精品久久久久久宅男 | 亚洲小视频在线观看 | 绿巨人视频在线观看 | 乱子伦一区二区三区 | 台湾三级电影在线观看 | 自拍第一页 | 久久偷拍免费视频 | 天天干天天天天 | 大波大乳videos巨大 | 欧美黄色大片网站 | 绿巨人视频在线观看 | 午夜福利三级理论电影 | 男人女人啪啪 | 亚洲黄页 | 久久九九国产 | 婷婷久草 | 成人免费视频观看 | 亚洲一区欧美日韩 | 欧美性猛交xxxx黑人交 | 日韩五级片 | 五月中文字幕 | 国产91熟女高潮一区二区 | 无码人妻av免费一区二区三区 | 乱码一区| 国产色在线 | av免费软件 | 稀缺呦国内精品呦 | 久久久成人精品 | 综合久久综合久久 | 色综合网址 | 欧美日韩影院 | 久久久久久久国产精品 | 日韩成年人视频 | 91视频入口 | 久久久久久久久99 | 草草浮力影院 | 久久久黄色片 | 久久久久久久久久久国产 | 亚洲伊人av| 日本无卡视频 | 少妇光屁股影院 | 欧美性生活一区二区三区 | 亚洲精品在线电影 | 中文字幕一二三四 | 午夜国产在线观看 | 欧美福利一区二区 | 亚洲成熟少妇 | 亚洲欧美综合7777色婷婷 | 欧美亚洲自拍偷拍 | 老女人裸体看个够 | 欧美日韩人妻一区 | 国产美女一区 | 女优在线观看 | 精品无码久久久久久久久 | 国产综合在线观看视频 | 麻豆最新网址 | 国产一区二区三区在线 | av无码精品一区二区三区宅噜噜 | 老熟女毛茸茸浓毛 | 99无码熟妇丰满人妻啪啪 | 亚洲天堂国产 | 成年人网站免费观看 | 3d动漫无尽视频软件 | 在线美女| 天堂网av在线 | 亚洲成人黄色av | 女人扒开腿免费视频app | 天天天天躁天天爱天天碰2018 | 女同学用裸足给我脚交 | 91精品一区二区三区四区 | 日韩精品一区二 | 亚洲怡春院 | 免费一级欧美在线观看视频 | 在线观看亚洲视频 | 97在线播放免费观看 | jizz中国女人高潮 | 黄色av网站在线播放 | 伦理吸我的奶水hd | 少妇光屁股影院 | 国产精品久久久久久久久毛片 | 免费看色 | 一区二区三区四区日韩 | 很黄很黄的视频 | 韩国三级午夜理伦三级三 | 性工作者十日谈 | 无码人妻黑人中文字幕 | 三级黄色免费 | √8天堂资源地址中文在线 国产精品va | 国模无码国产精品视频 | 国产精品美女一区二区三区 | 一本色道久久综合狠狠躁的推荐 | 免费在线看黄的网站 | 精品资源成人 | 黑巨茎大战欧美白妞 | 国产不卡二区 | 中日韩精品一区二区三区 | 男女上床动态图 | 国产又粗又猛又黄 | 欧美日韩电影一区 | 国产九九九 | 免费理论片 | 最近中文字幕 | 色av影院 | 一本大道久久 | 无码国产精品一区二区色情男同 | 亚洲人高潮女人毛茸茸 | 免费看黄软件下载入口69视频 | 一个色综合网 | 九九精品网 | 中文字幕亚洲一区 | 久久人妻一区二区 | 舌头伸进去添的我好爽 | 男女上床动态图 | 卡一卡二视频 | 一级黄色a视频 | 亚洲熟女乱色一区二区三区久久久 | 国产一区二区三区在线视频 | www.亚洲一区 | 秋霞在线观看视频 | 一区二区三区视频在线免费观看 | 丰满女邻居做爰bd瑜伽 | 日本v片 | 国产成人av网站 | 国产片淫乱18一级毛片动态图 | 精品久久久久久久久久久久久久久久久 | 欧美色图888 | 91丨九色丨海角社区 | 国产香蕉视频在线播放 | 伊人网在线 | 亚洲怡春院 | 一级裸体片 | 在线免费观看黄色 | 亚洲欧美日韩在线 | 国产精品久久免费 | boobsbrazz大乳女神 | gogogo高清免费播放 | 亚洲日本在线播放 | 桔子在线观看全集 | 蜜乳av中文字幕 | 黄色二级毛片 | 国产aaa | 一区二区三区久久 | 欧美与黑人午夜性猛交久久久 | 黄色一级片网站 | 美女久久| 日韩第二页 | 神马影院午夜伦理 | 成人免费视频网站在线观看 | 久久福利社 | 青楼女人绝活免费观看电视剧完整版 | 亚洲天堂黄色 | 成人高潮片免费网站 | 亚洲精品一区二三区 | 羞羞免费视频 | 献给魔王伊伏洛基亚吧动漫在线观看 | 一级黄色a视频 | 免费成人在线网站 | 欧美日本韩国在线 | 青青草原av | 中文字幕高清视频 | 人人上人人干 | 超碰精品 | 秋霞免费av | 色诱久久 | 久久国色| 91人人看 | 亚洲系列第一页 | 中文字幕一区二区人妻 | 天天天天躁天天爱天天碰2018 | 日本在线免费播放 | 一区免费在线观看 | 欧美一区二区三区 | 欧美老司机 | 福利视频免费观看 | 一边吃奶一边摸做爽视频 | 天天天天躁天天爱天天碰2018 | free性videos护士黑人 | 好男人在线视频 | 欧美一级片在线 | 依人久久| 国产精品乱码 | 浓精灌孕h校园h乱小视频 | 亚洲一区二区在线免费观看 | 久久久久久久久久久久久久久久久久久久 | 大香伊人| 美女露乳网站 | 日本黄色录像片 | 黄色一级小说 | 成年人免费观看网站 | 欧美第1页 | www.色中色| 日韩在线观看网址 | 欧美亚洲国产一区 | free性丰满69性欧美天美 | 精品久久一区二区 | 黑人操亚洲美女 | 超碰碰碰碰 | 东凛在线观看 | 欧美一级淫片aaaaaa | heyzo在线播放 | 少妇一级淫片免费播放 | 免费国产羞羞网站美图 | 日韩制服在线 | 日韩一区二区三区电影 | 日韩欧美在线播放 | 欧美午夜精品一区二区三区电影 | 天堂中文资源在线观看 | 欧美日韩a| 香蕉视频国产 | 华人永久免费视频 | 欧美日韩亚洲在线 | 国产精品社区 | 神马午夜我不卡 | 日韩三级黄 | 欧美丝袜丝交足nylons | 欧洲三级视频 | 调教师鞭臀虐菊男男调教在线观看 | 国产传媒视频在线 | 99久久影院 | 国内精品久久久久 | 97播播 | 亚洲一区二区在线免费观看 | 天天干少妇 | 欧美一级淫片aaaaaa | 欧美黑人xxxⅹ高潮交 | 在线看福利影 | 国产一区二区三区四区视频 | 乱码一区二区三区 | 国产成人在线免费 | 东北少妇露脸无套对白 | 婷婷av在线| 大又大又粗又硬又爽少妇毛片 | 国产普通话bbwbbwbbw | 91在线影院| 综合在线观看 | 中文字幕一区二区三区人妻不卡 | 成人性生交大片免费看 | 欧美大白屁股xxxooo | 国产精品五区 | 欧美亚洲国产一区 | 男人天堂中文字幕 | 可乐操av| 蜜桃成人av | 福利一二区 | 调教师鞭臀虐菊男男调教在线观看 | 四虎影库永久在线 | 成人性生交大片免费看 | 厨房性猛交hd | av不卡网站 | 人人上人人干 | 九九热精品视频在线 | 日韩一区二区三区在线视频 | 怡红院av久久久久久久 | 久久精品亚洲精品 | 很污的网站 | 欧美日韩亚洲天堂 | 婷婷射丁香 | 男人资源站 | 在线日韩中文字幕 | 亚洲国产乱 | 日韩黄色免费 | 人人视频精品 | 精品一区二区视频 | 在线观看亚洲视频 | 少妇脚交调教玩男人的视频 | 中文字幕在线观看亚洲 | 国产一区二区三区四区五区 | 欧美人狂配大交3d | 二次元女裸体羞羞黄漫 | 男生下面伸进女人下面的视频 | 帮老师解开蕾丝奶罩吸乳网站 | 我和老女人疯狂性做爰 | 国产91熟女高潮一区二区 | 我和闺蜜沦为性玩物 | 欣荣双乳高耸呻吟不止在线观看 | 免费一区 | 久久777 | 麻豆亚洲av成人无码久久精品 | 色无极亚洲影院 | 超碰997| 91草莓| 亚洲理论在线观看 | 欧美日韩乱国产 | 色婷五月天| a天堂在线观看 | 海角社区在线视频播放观看 | 日韩在线中文字幕 | 国产第一页屁屁影院 | 99无码熟妇丰满人妻啪啪 | 精品国产一区二 | 在线观看亚洲视频 | 毛片a片 | 91高清在线 | 献给魔王伊伏洛基亚吧动漫在线观看 | 黄色动漫推荐 | 91影院在线观看 | 中国特级黄色片 | 五月婷婷激情综合网 | 欧美全黄 | 韩国三级午夜理伦三级三 | 一二三区在线视频 | 国产精品传媒 | 亚洲国产日韩欧美 | 在线亚洲精品 | 欧美激情免费在线观看 | 国内视频一区 | 热久久久久久久久久 | 亚洲午夜福利在线观看 | av片在线播放 | 特级少妇| 国产男女精品 | 国产一区二区三区在线视频 | 色综合网址 | 成人91看片 | 成年人在线观看免费视频 | 红杏出墙记 | 麻豆视频在线观看免费网站 | 少妇搡bbbb搡bbb搡忠贞 | 韩国三级在线视频 | 99久久影院 | 午夜精品久久久久久久久久久久久蜜桃 | 无码人妻精品一区二区三区温州 | 青楼女人绝活免费观看电视剧完整版 | 精品香蕉视频 | 中文字幕高清在线免费播放 | 久久综合综合久久 | 午夜日韩欧美 | 伊伊成人| 欧美成年人 | 日本韩国在线 | 男男做爰猛烈叫床爽爽小说 | 婷婷色在线视频 | 四虎影院www| 按摩一区二区 | 日韩欧美一区二区三区四区 | 91视频官网 | 国产乱子视频 | 国产在线小视频 | 狠狠爱免费视频 | 久久精品一区二区三区四区 | 免费看黄色av | 特级西西444www大胆免费看 | 日韩在线观看网址 | 欧美一区二区视频在线 | 在线观看av的网站 | 久久精品66 | 69国产精品| 免费a在线 | 男女在线观看视频 | 久久涩综合 | 狠狠操五月天 | 国产va在线观看 | 秋葵视频 | 欧美一级片在线 | 超碰66 | 亚洲一区二区 | 欧洲三级视频 | 91麻豆精品91久久久久同性 | 亚洲人天堂| 黄色成年人网站 | 久久精品在线免费观看 | 美女三级视频 | 亚洲在线观看av | 九九热精品视频在线 | 无码国产精品一区二区高潮 | 一级 黄 色 片69 | 草莓在线| 日韩中文字幕视频在线观看 | 午夜男人的天堂 | 日韩免费视频网站 | 久久久久久久久久久国产 | 国产成人综合网 | 亚洲人高潮女人毛茸茸 | 亚洲男女啪啪 | 中文字幕日产av | 五月婷婷激情网 | 免费在线观看国产精品 | 黑巨茎大战欧美白妞 | 黄色三级在线 | 我的邻居在线观看 | 一个人看的免费视频 | 美少妇av| 91porn破解版 | 婷婷激情网站 | 日韩免费视频网站 | 欧美日韩在线视频观看 | 深夜免费福利 | 中文字幕一区二区三区人妻不卡 | 国产成人精品久 | 国产一级网站 | 男人女人啪啪 | 女同性恋毛片 | 大地二资源在线观看高清国语版 | 香蕉视频A| 激情综合亚洲 | 日本丰满bbwbbw厨房 | 久久成人免费网站 | 久久久久免费看 | 日日摸日日 | 中文字幕欧美人妻精品一区蜜臀 | 丰满少妇又紧又爽又粗 | av片在线播放 | 亚洲制服丝袜在线 | 国产精品无码一区二区桃花视频 | 人人上人人干 | 国产嫩bbwbbw高潮 | 国产精品美女高潮无套 | 日韩国产免费 | 波多野结衣一区二区三区在线观看 | 九九热精品视频在线 | 午夜国产一区 | 成人午夜免费视频 | 脱裤子屁屁灌水网站 | 97青青草 | 国产女人和拘做受视频免费 | 日日操日日爽 | 亚洲精品入口 | 亚洲精品久久久久中文字幕二区 | 性少妇xx生活 | 国产在线专区 | 97播播| 国产成人综合网 | 99一区二区 | www.夜夜骑 | 欧美亚洲另类图片 | 亚洲福利在线观看 | 欧美精品少妇 | 久久久久免费看 | 欧美在线看片 | 精品国产一区在线观看 | 国产激情网址 | 性生活视频播放 | www.国产精品 | 久久亚洲专区 | 国产农村妇女aaaaa视频 | 国产精品探花一区二区在线观看 | 国产免费a级片 | 亚洲色图第一页 | 欧美激情免费在线观看 | 中文字幕在线观看免费高清 | 日韩在线观看免费 | 青楼女人绝活免费观看电视剧完整版 | 韩国三级午夜理伦三级三 | 日本毛片在线 | 国产对白videos麻豆高潮 | www.com国产 | 国产黄在线 | 97se在线 | 日本三区视频 | 一级黄色a视频 | 狠狠干2020| 日韩成人精品视频 | 韩国三级中文字幕电影 | 欧洲三级视频 | 六十路の垂れ乳 | 欧美一级淫片免费视频魅影视频 | 亚洲制服丝袜在线 | 日韩毛片无码永久免费看 | 卡一卡二视频 | 中文字幕一区二区三区四区五区 | 国产男女精品 | 日韩在线免费看 | 日日噜噜夜夜狠狠久久波多野 | 中文精品一区二区三区 | 大又大又粗又硬又爽少妇毛片 | 触手动漫 | 国产成人精品一区二区在线小狼 | 日本第一页 | 国产精品视频福利 | 久久久久久久久久久国产 | 久久老司机| 人人上人人干 | 欧美成人激情视频 | 日韩成人午夜 | 激情办公室 | 福利一二区 | 美女三级视频 | 91第一页| av在线资源观看 | 台湾三级电影在线观看 | 国产精品888 | 韩国三级日本三级 | 少妇无码一区二区三区 | 欧美性tv | 亚洲欧洲综合av | 美女扒开腿让男人桶软件 | 五月激情婷婷网 | 国产精品99精品久久免费 | 免费成人激情视频 | 二次元女裸体羞羞黄漫 | 伊人干综合 | 国产一级免费在线观看 | 国产一级网站 | 久久精品99久久久久久 | 日韩在线视频中文字幕 | 五月中文字幕 | 我想看毛片 | 色噜噜一区二区三区 | 久久字幕 | 免费看黄色网 | 奇米色影视 | 中文字幕在线观看免费高清 | 五月婷婷综合激情 | 欧美日韩电影一区 | 中文字幕视频在线播放 | 亚洲男人 | 在线观看亚洲视频 | 亚洲男女啪啪 | 成人在线观看网站 | 国产精品三级在线观看 | 日韩欧美一区二区三区四区 | 欧美日韩精品一区二区三区四区 | 97精品人妻一区二区三区在线 | 亚洲图片在线观看 | 秘密基地在线观看完整版免费 | 亚洲熟女乱色一区二区三区久久久 | 亚洲超碰在线 | 超碰精品 | 叼嘿视频在线免费观看 | 女futa攻玩遍整个后宫 | 精品日韩在线 | 日韩新片王网 | 国产com| 超碰碰碰碰 | 在线观看黄视频 | 爽爽爽av | 一区二区三区四区五区六区 | 国产精品va| 榨精tickle丨vk全部脱 | 欧美午夜精品一区二区三区电影 | 亚洲国产免费视频 | 国产伦精品一区二区三区妓女下载 | 日本视频二区 | 不卡欧美 | 国产精品久久久久久久久 | 色婷婷九月| 中文字幕精品无码一区二区 | 亚欧在线 | 美女扒开腿让男人桶软件 | 久久精品66 | 在线黄色av网站 | 男人av在线 | 3d动漫无尽视频软件 | 高清无打码 | 乱子伦一区二区三区 | 668看片网 | 少妇喷水视频 | 亚洲无人区码一码二码三码 | 国内自拍偷拍视频 | 欧美自拍视频在线观看 | 韩国三级日本三级 | 成人免费视频观看 | 精品人妻一区二区三 | 好看的国产精品 | 男人资源站 | 欧美第1页 | 女人扒开腿免费视频app | 国产成人精品一区二区在线小狼 | 午夜一区二区三区在线 | 精品一区二区视频在线观看 | www.黄色av| 怡红院av在线播放 | 合欢视频污 | 久久涩综合 | 打屁股sp惩罚调教视频 | 偷拍视频网址 | 师尊撅着屁股边挨脔边挨打屁股 | 99国产精品视频免费观看一公开 | 免费观看nba乐趣影院 | 国内精品久久久久 | 午夜亚洲 | 粉嫩av网| 欧美第十页 | 久久久久久久久影院 | 狠狠操很很干 | 无码人妻精品一区二区三应用大全 | av毛片在线 | 韩国精品久久久 | 麻豆短视频在线观看 | 青楼女人绝活免费观看电视剧完整版 | 日韩中文字幕视频在线观看 | 每晚和邻居做爰口述爽 | 欧美日韩精品一区二区三区四区 | av免费观看在线 | 老熟女毛茸茸浓毛 | 日韩性网站 | 日韩在线观看网址 | 操碰在线观看 | 欧美激精品 | 欧美日韩精品一区二区在线播放 | 中文字幕在线播放av | 精品视频在线看 | 日本一区二区精品视频 | 久久久在线 | www.色中色 | 女生被男生操的视频 | 高清欧美性猛交xxxx黑人猛交 | 亚洲爽片 | 中文字幕国产在线 | 欧美手机在线视频 | 毛片大全在线观看 | 叼嘿视频在线免费观看 | 无码国产精品一区二区高潮 | 中文字幕一二三四 | 乱亲女h秽乱长久久久 | 一起草最新网址 | 国产精品久久久久久久久 | 狠狠干狠狠插 | 插插插91 | 91丨porny丨国产| 成人免费视频国产在线观看 | aaaaa级少妇高潮大片免费看 | 99在线看 | 精品人妻一区二区三 | 黄色无毒网站 | 麻豆短视频在线观看 | 久久久96人妻无码精品 | 亚洲乱仑 | 91啦丨porny丨刺激 | 国产四虎 | 免费小视频 | 国产全肉乱妇杂乱视频 | 久久综合一区二区三区 | 99国产精品视频免费观看一公开 | 欧美二区视频 | 男人草女人 | 精品视频一区二区三区四区 | 打屁股视频网站 | 黄色片a| 中文字幕一区二区三区夫目前犯 | 香蕉视频18 | 看黄色大片 | 高清乱码毛片 | 中文字幕在线播放第一页 | 午夜看片网 | 国产一级自拍 | 三级成人 | 老熟女毛茸茸浓毛 | 特黄a级片 | 久久国产精品二区 | 国产大片在线观看 | 久久精品久久久久久久 | 欧美在线观看免费高清 | 久久久久免费看 | 欧美色涩 | 国产激情啪啪 | 特黄视频免费看 | 九九色| 浓精灌孕h校园h乱小视频 | 国产精品视频福利 | 15—17女人毛片 | 日韩免费视频网站 | 你懂的网址在线观看 | 已满18岁免费观看电视连续剧 | 中国毛片基地 | 国产做爰视频免费播放 | 无码人妻黑人中文字幕 | 日本天堂影院 | 欧美激情在线看 | 97超碰在线播放 | av免费大片| 国产色在线 | 色婷婷视频在线 | av在线不卡免费 | 土耳其xxxx性hd极品 | 免费看a| 四虎永久免费地址 | 免费成人短视频 | 亚洲一区二区自拍 | 新婚之夜玷污岳丰满少妇在线观看 | 日韩第二页 | 香蕉小视频 | 肮脏的交易在线观看 | 久久久久亚洲av成人网人人软件 | 国产精品88av | 91视频免费播放 | 韩国三级电影播放 | 日韩av高清无码 | 中文av之家| 午夜一区二区三区在线 | 神马久久久久 | 欧美操大逼 | 永久网站 | 中国爆后菊女人的视频 | 一级片视频在线观看 | 成人影视网址 | 三级亚洲| 在线观看av的网站 | 免费播放一区 | 五月激情婷婷网 | 刘亦菲毛片 | 亚洲免费999 | 亚洲成人动漫在线观看 | 久草资源福利 | 亚洲系列第一页 | 成年人免费观看网站 | 欧洲做受高潮欧美裸体艺术 | 男女上床动态图 | 黑人操亚洲美女 | www.五月婷婷 | 91福利一区 | 美女被猛网站vr | 人人爽人人 | 热久久国产 | 国产成年人视频 | 大尺度做爰床戏呻吟舒畅 | 婷婷二区| 少妇一级1淫片 | 熟女av一区二区三区 | 在线日韩中文字幕 | 插插插91 | 手机成人在线视频 | 又大又粗又爽18禁免费看 | 激情小视频 | 麻豆网站免费观看 | 三级免费| 在线日韩免费 | 日韩1区2区3区 | 特级少妇| 日本免费黄色片 | 亚洲精品一区二三区 | 美女高潮爽到尿喷出来 | 日韩在线中文字幕 | 夜夜春很很躁夜夜躁 | 影音av资源站 | 欧美激情免费在线观看 | 国产亚洲精 | av不卡网站| 少妇视频一区 | 久久久久午夜 | missav | 免费高清av在线看 | 91偷拍一区二区三区精品 | 欧美一区二区影院 | 午夜精品极品粉嫩国产尤物 | 日本免费黄色片 | 动漫美女被爆操 | 男舔女逼视频 | 激情综合亚洲 | va免费视频| 美女视频在线播放 | 国产va| 美女无遮挡网站 | 欧洲精品一区二区 | 欧美一区二区三区 | av免费大片 | 日本高清精品 | 黄色a级片视频 | 丝袜国产在线 | 日本三级电影网 | 成人黄色免费视频 | 日韩制服在线 | 男女av免费 | 黄色性片| 国产资源站 | 成人小视频免费 | 神马午夜嘿嘿 | 亚洲免费999| 欧美大波大乳人奶 | 无码国产精品一区二区高潮 | 国产精品无码免费播放 | 国产精品传媒 | 三级视频片| 神马午夜一区二区 | 在线观看xxxx | 亚洲欧洲av在线 | 人妻中文字幕一区二区三区 | 麻豆亚洲av成人无码久久精品 | 四虎4hu永久免费网站影院 | 深夜福利久久 | 日韩三级黄 | 国产熟妇久久777777 | 91第一页| 欧美a大片 | 国产av成人一区二区三区高清 | 一区二区在线视频观看 | 佐山爱av在线播放 | 欧美激情aaa| 毛笔失禁玩弄play高潮双男主视频 | 日韩天堂av| 老板强吻秘书撕胸衣捏胸视频 | 91精品国产综合久久香蕉922 | 亚洲高清视频在线观看 | 在线观看亚洲视频 | 成人淫片 | 中文字幕一区电影 | 美女视频网址 | 色综合加勒比 | 四虎成人在线视频 | 亚洲视频二区 | 射射色| 久久国产一级 | 人人射人人射 | 国产大片在线观看 | 人体av| 成人激情视频在线播放 | 福利视频免费观看 | xxxx黄色片 | 欧美午夜精品一区二区三区电影 | 亚洲欧美日本综合 | 国产精品婷婷午夜在线观看 | 国产片淫乱18一级毛片动态图 | 美女视频网址 | 欧美性猛交xxxx黑人 | 久久久精品人妻无码专区 | 国产精品美女一区二区三区 | 免费国产羞羞网站美图 | 91呦呦| 美女被猛网站vr | 国产色图片 | 婷婷二区 | 一本大道久久 | 日本五十路在线观看 | 岛国精品一区二区三区 | 色戒在线观看 | 亚洲日本天堂 | 午夜影院视频 | 欧美性生活一区二区三区 | 欧美日韩在线视频观看 | 五月婷婷六月香 | 日韩免费一区二区三区 | 丰满岳乱妇一区二区三区 | 高清欧美性猛交xxxx黑人猛交 | 成人h在线| 免费观看nba乐趣影院 | 中国毛片基地 | 综合精品 | 大地二资源在线观看高清国语版 | 男人天堂一区二区 | 在线观看av片| 波多野结衣电影免费观看 | 天堂v在线观看 | 婷婷狠狠 | 欧美日韩黄色片 | 欧美精品乱码99久久蜜桃 | 天堂а√在线中文在线鲁大师 | 99精品成人 | 国产91绿帽单男绿奴 | 99精品成人 | 韩国三级hd中文字幕的背景音乐 | 日韩三级中文字幕 | 亚欧色 | 夜夜春很很躁夜夜躁 | 91影院在线观看 | 婷婷久久久久久 | 18日本xxxxxxxxx95| 成人动漫在线观看视频 | 亚洲午夜精品久久久久久app | 精品视频久久 | 黄色毛毛片 | 色猫咪av| 四虎影视大全 | 欧美丰满熟妇bbbbbb | 亚洲交性网 | av片在线播放 | 成人免费高清在线播放 | 少妇视频一区 | 91青草视频 | 韩国合集床戏三小时 | 午夜精品久久久久久久久久久久久蜜桃 | 年轻 娇小 亚洲人 日本语 | 丁香视频| 日本一区二区精品视频 | 无码人妻av免费一区二区三区 | 97精品人妻一区二区三区在线 | 色婷婷视频在线 | 欧美一区二区影院 | 可以看av的网站 | 午夜男人视频 | 中文字幕第15页 | 给我免费播放 | 插插网站 | 日本免费黄色网 | 在线观看亚洲专区 | 亚洲一区二区 | 亚洲永久免费精品 | 99热成人| 老板强吻秘书撕胸衣捏胸视频 | 久久精品国产一区二区 | 国产性xxxx高清 | 性外交野战野外性行为 | 免费在线观看黄网站 | 激情小说综合网 | 在线免费观看黄色 | 国产一级二级 | 欧洲做受高潮欧美裸体艺术 | 国产又黄又粗又猛又爽 | 久久久久久久久99 | 亚洲午夜精品久久久久久app | 麻豆视频在线观看免费网站 | 欧美日韩国产一区二区 | 97人妻精品一区二区三区软件 | 六月激情婷婷 | 欧美大片18| 午夜精品少妇 | 欧美一区二区影院 | 狠狠干狠狠插 | 黑人巨大猛烈捣出白浆 | 中文字幕视频在线播放 | 91丨九色丨海角社区 | 男女互插视频 | 影音先锋在线看片资源 | 欧美视频在线视频 | 欧美毛片在线 | 插插插91 | 亚洲男女啪啪 | 婷婷激情网站 | 天堂影视av | 午夜老湿机 | 青青草原免费观看 | 国产综合精品 | 欧洲久久久| 欧美热逼 | 国产伦理在线观看 | 欧美性在线视频 | 色无极亚洲影院 | 青青草福利 | 搓澡工摸硬了警察的的大j8 | 一级片视频在线观看 | 日韩在线免费看 | av网址导航 | 亚洲视频在线观看免费 | 日日射射 | 免费视频91蜜桃 | 狠狠爱免费视频 | 九九热精品视频在线 | 久久久人体 | 国产精品三级在线观看 | 91丨porny丨国产| 天天色天天插 | 国产精品一区二区av白丝下载 | 国产女人和拘做受视频免费 | 中文视频在线 | 欧美精品免费在线观看 | 午夜av在线播放 | av女人的天堂 | 国产超帅gaychina男同 | 91看片视频 | 亚洲综合色一区 | 男人和女人操的视频 | 黄色短视频下载 | 综合精品| 五月天综合激情 | 日本在线看 | 手机看片91| 人妻精油按摩bd高清中文字幕 | 桔子在线观看全集 | 黄色一级片a | 国产一区二区三区91 | 欧美激情网址 | 91精品国产综合久久香蕉922 | 性一交一乱一伧老太 | 国产91精品看黄网站在线观看 | 91尤物视频| 国产精品888| 国产精品大片 | 欧美h在线观看 | 人妖ts福利视频一二三区 | 在线色图 | 又大又粗又爽18禁免费看 | 少妇又紧又色又爽又刺激 | 午夜精品极品粉嫩国产尤物 | 刑警娇妻穿着乳环被调教 | 午夜草逼 | 国产精品嫩草影院av蜜芽 | 久久精品综合视频 | 在线激情网 | 一区二区在线视频观看 | 师尊撅着屁股边挨脔边挨打屁股 | 免费日批视频 | 日韩精品一区二区三 | 捆绑体育生直男榨精呻吟 | 强行侵犯视频在线观看 | 日韩av电影在线播放 | 美女二区| 性生活动态视频 | 女futa攻玩遍整个后宫 | 男插女逼视频 | xxxx黄色片| 91丨porny丨国产 | 激情文学av| 桔子在线观看全集 | 男人天堂中文字幕 | 亚洲高清视频在线观看 | 免费在线观看成人小视频 | 天天草影院 | 医生脱了内裤猛烈进入 | 中文字幕高清在线免费播放 | 欣赏裸体模特胴体 | 大地二资源在线观看高清国语版 | 成年人在线观看免费视频 | 蜜臀久久99精品久久久久久宅男 | 国产精品毛片久久久久久久av | 上床app| 色婷婷九月 | 精品一区二区三区四区 | 五月激情在线 | 国产精品嫩草影院av蜜芽 | 偷拍视频网址 | 国产情侣在线视频 | 黄色一级影院 | 厨房性猛交hd | 91国产视频在线观看 | 国产精品国产a级 | 短视频在线观看 | 中日韩精品一区二区三区 | 老妇裸体性猛交视频 | 中国毛片基地 | 色综合网址| 四虎影库永久在线 | 久久这里只有精品6 | 国产欧美精品一区二区三区 | 性欧美在线 | 91视频免费看 | 五月伊人网 | 麻豆视频在线观看免费网站 | 欧美美女一区二区 | 国产高清视频 | 老阿姨才是最有味道免费观看韩剧电视剧 | 人妻精油按摩bd高清中文字幕 | 丁香九月婷婷 | 久久久久一区二区三区 | 91av视频在线播放 | 日本成人午夜 | 欧美乱论 | 免费在线观看黄网站 | 97香蕉 | 免费视频毛片 | 一区二区免费看 | 撕开她的内裤慢慢摸的网站 | 麻豆国产一区 | 欧美亚洲国产一区 | 欧美中文字幕在线视频 | 97香蕉| 97超碰在 | 丰满少妇在线观看网站 | 97影院| 日本猛少妇色xxxxx猛叫 | 特级少妇| 国产视频福利在线 | 亚洲小视频在线观看 | 射婷婷| 色噜噜在线观看 | av无遮挡| 美丽的姑娘观看在线播放 | 亚洲在线观看av | 午夜精品视频在线观看 | 黄色录像免费 | 国产激情av在线 | 在线观看中文字幕av | 亚洲欧美日韩精品 | 性少妇xx生活 | 91精品一区二区三区四区 | 三上悠亚电影在线 | 亚洲精品乱码久久久久久久久久久久 | 亚洲影视在线观看 | 少妇把腿扒开让我添69式mv | 献给魔王伊伏洛基亚吧动漫在线观看 | 女人一级片 | 久久精品999| 亚洲精品久久久久久无码色欲四季 | 欧美一区二区激情视频 | 国产男女精品 | 成人动漫一区二区三区 | 一边摸一边做爽的视频17国产 | av在线二区 | 狠狠躁日日躁夜夜躁av | 亚洲成人a v | 国产精品一级片 | av免费大片 | 在线免费三级 | 国产精品久久久久久吹潮 | 日韩在线欧美在线 | 69堂在线观看 | 高清无打码 | 三年中文免费视频大全 | 欧美一区二区在线看 | 成人精品视频 | 日韩激情在线播放 | 四虎视频国产精品免费 | 69堂在线观看 | 人成精品 | 欧美自拍视频在线观看 | 图片区小说区视频区 | 草莓视频污在线观看 | 欧洲金发美女大战黑人 | 在线中文av| 亚洲无人区码一码二码三码 | 五月婷婷激情综合网 | 黄色美女片 | 婷婷综合av | 超碰免费91 | 国产综合内射日韩久 | 91视频在线观看 | 国产精品三级在线观看 | 男人插入女人下面视频 | 亚洲欧美一二三区 | 成年人午夜影院 | 欧美精品一区在线发布 | 婷婷狠狠 | 无码人妻av免费一区二区三区 | 国产999精品久久久久久 | 精品无码久久久久久久久 | 麻豆亚洲av成人无码久久精品 | 久久噜| 大乳女喂男人吃奶视频 | 男人喷出精子视频 | 九九色| 天堂视频网 | 97超碰在线播放 | 日本人做受免费视频 | 亚洲第一黄色网址 | 欣赏裸体模特胴体 | 成人高清视频在线观看 | 久久精品99国产国产精 | 欧美日韩在线视频观看 | 女人叉开腿让男人捅 | 中文字幕一区二区三区人妻不卡 | 中国女人吞精囗交 | 亚洲最大激情网 | 欧美激情aaa | 国产传媒视频在线 | 百合sm惩罚室羞辱调教 | 婷婷av一区二区三区 | 爱丫爱丫电视剧视频免费高清 | 久久久久久久久99 | 亚洲av综合色区无码另类小说 | 五月婷婷亚洲 | 云缨被到爽高潮痉挛 | 国产精品一区二区av白丝下载 | 国产伦精品 | 免费视频毛片 | 四虎视频国产精品免费 | 精品成人在线观看 | 黄色在线小视频 | 美丽的姑娘观看在线播放 | 久久精品国产一区二区 | 色四月婷婷| 狠狠艹狠狠干 | 国产第3页| 日本五十路在线观看 | 日日噜噜夜夜狠狠久久波多野 | 浓精灌孕h校园h乱小视频 | 黄色三级av | 亚洲精品一二三区 | 国模私拍视频 | 婷婷激情网站 | 激情av小说 | 国产一区二区三区四区视频 | 大波大乳videos巨大 | 成人xxxxx |