Heyi Chemical Manufactory

Heyi Chemical Manufactory A leading manufacturer of MTHPA | Methyl Tetrahydrophthalic Anhydride

Founded in innovation and driven by excellence, 浙江合益化学股份有限公司 is a pioneering force in the global chemical engineering in...
11/06/2026

Founded in innovation and driven by excellence, 浙江合益化学股份有限公司 is a pioneering force in the global chemical engineering industry. Specializing in the production of high-quality organic anhydrides like MTHPA (Methyl-Tetrahydrophthalic Anhydride), 4-MHHPA, and THPA, our cutting-edge solutions power advancements in wind energy, photovoltaics, LED technology, rail transit, and electric vehicles. With a production capacity exceeding 80,000 tons annually, we’re proud to operate one of China’s largest facilities for MTHPA, ensuring stable supply, superior product purity, and unmatched reliability.

At 浙江合益化学股份有限公司, we embrace innovation at every level. Our state-of-the-art, intrinsically safe engineering design and smart management systems unlock advanced possibilities in high-end materials, addressing the growing needs of industries worldwide. Offering products that are low-toxicity, environmentally sustainable, and cost-effective, we help our customers achieve excellence in electrical insulation, adhesives, coatings, and high-performance composites.

As a trusted leader with over 15 years of expertise, our mission is clear: drive industry innovation, lead on technology, and expand our global reach to establish ourselves as one of the most competitive enterprises in the organic anhydride sector. Looking for reliable partners? Let’s build the future together. 🌍✨

Welcome to 四氢苯酐, a trusted name in the Chemical Engineering industry with over 15 years of expertise! 🌐💡 Known for our i...
09/06/2026

Welcome to 四氢苯酐, a trusted name in the Chemical Engineering industry with over 15 years of expertise! 🌐💡 Known for our innovative spirit and commitment to excellence, we specialize in producing high-quality, reliable chemicals for diverse industrial applications, empowering businesses worldwide. By combining cutting-edge technology, sustainable practices, and a global perspective, we aim to create value and build lasting partnerships. Follow us to stay updated on industry trends, breakthroughs, and exciting opportunities! 🌍

浙江合益化学股份有限公司 is a pioneering company in the chemical engineering industry, dedicated to research, production, and innova...
04/06/2026

浙江合益化学股份有限公司 is a pioneering company in the chemical engineering industry, dedicated to research, production, and innovation in cutting-edge new materials. With over 15 years of expertise, the company has positioned itself as a global leader in the manufacturing of Methyl-tetrahydrophthalic Anhydride (MTHPA) and related products, such as 4-MHHPA, MHHPA, THPA, and HHPA. These advanced solutions are vital across high-performance industries, including wind power, photovoltaics, LED technology, rail transportation, and electric vehicles.

Renowned for its state-of-the-art facilities and sustainable practices, 浙江合益化学股份有限公司 operates one of the largest MTHPA production units in China, boasting an annual output capacity of over 80,000 tons. Our focus on delivering high-purity compounds with consistent quality ensures seamless global supply, making us the trusted partner for high-end applications where reliability and environmental standards are paramount.

In alignment with our vision of technical leadership, we continue to innovate with safer engineering designs and smart digital management systems. Committed to environmental responsibility, our products offer low toxicity and high-quality solutions, contributing to safer, greener industries worldwide 🌍. Follow us to stay updated on how we’re shaping the future of chemical engineering!

Welcome to Zhejiang Heyi Chemical Co., Ltd. (浙江合益化学股份有限公司), a pioneer in innovative chemical solutions. With a deep comm...
04/06/2026

Welcome to Zhejiang Heyi Chemical Co., Ltd. (浙江合益化学股份有限公司), a pioneer in innovative chemical solutions. With a deep commitment to research, production, and sustainable practices, we are a key player in the new materials sector. Our flagship product, Methyl-tetrahydrophthalic Anhydride (MTHPA), is a cornerstone in industries like wind energy, photovoltaic, and electric vehicles, offering unparalleled quality and environmental friendliness. With an annual production capacity of over 80,000 tons, we're proud to be a leading manufacturer of MTHPA, ensuring high purity and a reliable global supply. Join us in driving future technologies and discover why we're the preferred choice for high-performance applications. 🌍🔬

Zhejiang Heyi Chemical Co., Ltd. (浙江合益化学股份有限公司) is a trailblazer in China’s chemical engineering and new materials indus...
02/06/2026

Zhejiang Heyi Chemical Co., Ltd. (浙江合益化学股份有限公司) is a trailblazer in China’s chemical engineering and new materials industry. With over a decade of expertise, we specialize in the production and innovation of organic acid anhydrides, including Methyl-tetrahydrophthalic Anhydride (MeTHPA), 4-MHHPA, MHHPA, THPA, and HHPA.

Our flagship product, Methyl-tetrahydrophthalic Anhydride, is renowned for its critical applications in cutting-edge industries such as wind energy, photovoltaics, railway transportation, LED technology, and electric vehicles, underscoring its high demand in global markets. Designed with environmental sustainability in mind, our products are engineered to deliver superior performance with reduced toxicity, making them ideal for high-end electronics and advanced industrial applications.

Operating one of Asia’s largest MTHPA production facilities, with an annual capacity exceeding 80,000 tons, we ensure a reliable global supply chain backed by consistent quality, competitive pricing, and innovative R&D. As a market leader, Zhejiang Heyi Chemical Co., Ltd. is committed to driving advancements in chemical technology, leading the industry both in scale and technical expertise.

We continually push boundaries to offer solutions that enhance energy efficiency, durability, and environmental compatibility. Ready to work with trusted partners worldwide, we invite you to join us in shaping the future of new materials. 🌍✨

Welcome to Hexahydrophthalic Anhydride (六氢苯酐), a leader in the Chemicals industry with a commitment to innovation and qu...
02/06/2026

Welcome to Hexahydrophthalic Anhydride (六氢苯酐), a leader in the Chemicals industry with a commitment to innovation and quality. With over 15 years of expertise, we specialize in producing high-performance chemical solutions that meet international standards. Our dedication to sustainability and excellence has positioned us as a trusted partner for global enterprises. Connect with us on Facebook to explore cutting-edge advancements, industry insights, and opportunities for collaboration. Let's shape the future of chemistry together! 🌍🔬

Welcome to Zhejiang Heyi Chemical Co., Ltd. (浙江合益化学股份有限公司), a pioneer in the development and manufacture of advanced che...
28/05/2026

Welcome to Zhejiang Heyi Chemical Co., Ltd. (浙江合益化学股份有限公司), a pioneer in the development and manufacture of advanced chemical materials. As a leader in the industry with over 15 years of experience, we are proud to offer a range of high-quality anhydride products, including Methylhexahydrophthalic Anhydride (MHHPA) and Tetrahydrophthalic Anhydride (THPA). Our products are essential in sectors like wind power, photovoltaics, and electric vehicles, ensuring low toxicity and environmental safety. With an annual production capacity exceeding 80,000 tons, we guarantee high purity and consistent quality, making us a reliable partner for global supply needs. Join us in advancing technology with innovation and excellence. 🌿🌟

四氢苯酐 (Tetrahydrophthalic Anhydride) is a trusted leader in the Chemicals industry, with a commitment to innovation, prec...
26/05/2026

四氢苯酐 (Tetrahydrophthalic Anhydride) is a trusted leader in the Chemicals industry, with a commitment to innovation, precision, and sustainability. Backed by over 15 years of expertise, we specialize in producing high-quality chemical solutions that cater to the diverse needs of international markets. Our focus on excellence drives us to deliver reliable products that empower businesses across industries, fostering global partnerships and growth. 🌍✨ Connect with us today to explore how we can help create a better future, together!

Welcome to Zhejiang Heyi Chemical Co., Ltd. (浙江合益化学股份有限公司), your trusted partner in the world of new materials. With our...
21/05/2026

Welcome to Zhejiang Heyi Chemical Co., Ltd. (浙江合益化学股份有限公司), your trusted partner in the world of new materials. With our state-of-the-art facilities and innovative R&D, we produce top-quality methyl tetrahydrophthalic anhydride, essential for industries like wind energy, photovoltaic, and LED. As one of China's leading MTHPA manufacturers, we boast an impressive annual production capacity exceeding 80,000 tons, ensuring a stable and reliable global supply.

Our commitment to excellence is reflected in our focus on product purity, environmental sustainability, and cost-effectiveness. Ideal for high-end electronics, renewable energy, and transportation sectors, our products meet stringent international standards. Whether you're looking for exceptional chemical resistance or superior electrical insulation, Zhejiang Heyi is here to provide the best solutions.

Join us as we pioneer advancements in the organic acid anhydride industry, leveraging technology and scale to deliver unmatched quality and service. Let's innovate together! 🌍🔬

甲基四氢邻苯二甲酸酐 (Methyl Tetrahydrophthalic Anhydride) is a trusted leader in the Chemicals industry, with a proven track reco...
19/05/2026

甲基四氢邻苯二甲酸酐 (Methyl Tetrahydrophthalic Anhydride) is a trusted leader in the Chemicals industry, with a proven track record of delivering high-quality chemical solutions to customers worldwide for over 15 years. As a company driven by innovation and excellence, we specialize in manufacturing cutting-edge anhydrides utilized in applications such as epoxy resin curing agents, coatings, electrical insulation, and more.

Our commitment to sustainability and precision sets us apart, ensuring that every product meets the strictest international standards for performance and environmental responsibility. Partnering with 甲基四氢邻苯二甲酸酐 means benefiting from unmatched expertise, reliable delivery, and a focus on long-term value. 🌏✨

Follow us to explore how our advanced chemical solutions are shaping industries globally.

Address

No. 9 Lingxiu Road, Modern Industrial Park
Hangzhou
318000

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