Top 10 Brands Of MTHPA in The World

MTHPA (Methyl Tetrahydrophthalic Anhydride, CAS No. 11070-44-3) is a high-performance anhydride curing agentwidely used in the epoxy resin industry. With its excellent balance of low toxicity, stable performance, and compatibility with various epoxy systems, MTHPA has become the preferred choice for advanced applications in wind energy, photovoltaic, LED, automotive electronics, rail transit, and high-voltage insulation materials.

1.Zhejiang Heyi Chemical Co., Ltd

Zhejiang Heyi Chemical Co., Ltd. was established in March 2022, broke ground in June 2023, and is scheduled to begin production in June 2024. Located in the Modern Pharmaceutical and Chemical Park of the Xianju Economic Development Zone in Zhejiang Province, the approximately 64,000 square meter facility is a new materials company integrating R&D, production, and sales. It features inherently safe engineering design and intelligent management and control. Its main product, methyltetrahydrophthalic anhydride, is primarily used in high-end new material fields such as wind power, photovoltaics, rail transit, LEDs, and new energy vehicles. The company is committed to leading the industry and technology, aiming to become one of the most technologically and scale-competitive domestic and international companies in the organic anhydride industry, capable of commercializing R&D results.The company has a clear development strategy, adhering to the "healthy, safe, green, and environmentally friendly" development philosophy and adhering to the "people-oriented, technologically innovative, and sustainable development" business strategy. Based on the company's industrial layout and positioning, it has formulated two five-year plans. The first five-year plan aims to achieve a sales target of 1.2 billion yuan. The second five-year plan aims to achieve a transformational development, extend the industrial chain, and strive for a strategic goal of 2 billion yuan in sales, opening up broad space for high-quality development.

2. Zhejiang Alpha Chemical Technology
Established in Haiyan, Zhejiang Province in 2010, it is a national-level specialized and innovative "little giant" and high-tech enterprise. Covering an area of 36,000 square meters and with 164 employees, it mainly produces acid anhydride curing agents such as MTHPA and methyl hexahydrophthalic anhydride, with an annual production capacity of 13,000 tons. It collaborates with Zhejiang University and holds multiple patents, and its products are exported to Europe and America.

3. Jiaxing Nanwang Wensheng Chemical
Established in Zhaupu Chemical Park, Jiaxing City in 2004, it is a national high-tech enterprise. Covering an area of 20 acres and with 42 employees, it has 4 MTHPA production lines and an annual production capacity of 30,000 tons. The products are WNY series curing agents, with low freezing points and excellent insulation properties, used for electronic encapsulation and wind power.

4. Wuhan Ruji Chemical
Established in 2007 as a small enterprise. It mainly produces fine chemical products such as MTHPA and sub-phosphoric acid. Using DCS automatic control technology, its annual production capacity is approximately 3,000 tons. The products have high cost performance and cover the Central China market. The technical team includes professors from Zhejiang University and Nankai University, providing customized services. It mainly engages in wholesale and import and export, serving the fields of electronic insulation and composite materials.

5. Zhejiang Heyi Chemical
Established in Xianju, Zhejiang Province in 2022, it is a small new materials enterprise. Covering an area of 66,000 square meters and with a total investment of 490 million yuan, it produces 80,000 tons of MTHPA annually. It will be put into production by the Xianju County Government by the end of 2024. The technology team is from Zhejiang University, and the nano catalytic process is used, with fewer by-products and higher efficiency. The Xianju County Government.

6. Shandong Huyu Runfeng New Materials
Established in Juye, Shandong Province in 2022, it is a joint-stock enterprise - Shandong Huyu Runfeng New Materials Co., Ltd. Covering an area of 3,000 acres, it has 72 employees. It produces 46,000 tons of MTHPA and 6,000 tons of methyl hexahydrophthalic anhydride annually. It adopts a green and circular process, with nearby raw material supply and energy-saving steam supply. The products are used for electronic encapsulation and electrical insulation.

7. Huizhou Juhui Environmental Protection Materials
Established in 2015 and acquired by Da Rong Xincai in 2022. Located in the New Materials Industrial Park of Huizhou, covering an area of approximately 20,000 square meters, it is the largest MTHPA manufacturer in South China, with an annual production capacity of 50,000 tons. It has an automated production line and products are used for wind turbine blades and power insulation.

8. Shandong Zhongli New Materials
Established in Jucheng, Shandong Province in 2020, it is a high-tech and specialized enterprise. Covering an area of 70,000 square meters and with approximately 100 employees. It produces 60,000 tons of MTHPA and 10,000 tons of methyl hexahydrophthalic anhydride annually. The process is environmentally friendly, with no production wastewater or waste residue. The products are used for electronic encapsulation, high-speed rail electrical insulation, and oil pipelines. The quality is stable, and it serves domestic insulation material and composite material manufacturers.

9. Heze Yonghui Composite Materials
Established in Dongming, Shandong Province in 2008, it is a national high-tech and provincial specialized and innovative enterprise. Covering over 90 acres and with over 100 employees. It mainly produces MTHPA and MDA series curing agents, with an annual production capacity of 20,000 tons. It cooperates with Shandong University and Zhejiang University, with strong technical capabilities. It has passed ISO and REACH certifications and exports to over 20 countries.

10. Puyang Shengyuan Energy Technology
Established in 2012 as a subsidiary of Shengyuan Group. It is a national-level specialized and innovative "little giant". It mainly produces derivatives of acrolein, including MTHPA and methyl hexahydrophthalic anhydride. With an annual production capacity of approximately 50,000 tons, the process is advanced. It has an academician workstation and a postdoctoral base, with rich patents. The products are used for biodegradable materials, high-end coatings, and electronic encapsulation. The industrial chain is complete, covering both domestic and overseas markets.