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The Largest Manufacturer of MTHPA Products in China.

Our History

Jiaxing Nanyang Wanshixing Chemical Co., Ltd. was founded in 2004, as one subsidiary of Zhejiang Nanyang Group which is the second chemical factory after Jiaxing Nanyang Plastic Chemical Co. Ltd..

Covering an area of 4.5 acres and employed over 50 employees, Jiaxing Nanyang Plastic Chemical Co. Ltd. used to produce water-borne PUA for leather coating. In 2005, and to meet the needs of the market, we adjusted our products and recruited technicians in MTHPA to produce ANY series liquid curing agent for epoxy resin coating—Methyl tetrahydrophthalic Anhydride(MTHPA, MeTHPA) with advanced production equipments and technologies. Jiaxing Nanyang Plastic Chemical Co. Ltd owed two production lines for producing MTHPA, with an annual production capacity reaching 12000 tons. We also produce tougheners, thinners and accelerants for epoxy resins.

In 2014, Jiaxing Nanyang Wanshixing Chemical Co. Ltd relocated the site to Zhapu Port Area, which covers an area of 20 acres with more than 60 employees. For a full upgrate, we increased production lines from two to  four and our annual production capacity is up to 30000 tons, is the largest manufacturer of yield and sales volume in same type products in China. With nearly 20 years developing, we have successfully built a professional production team, which is in the leading position in the same industry in terms of equipment, technology, production and management. We are committed to the production of WNY series liquid epoxy resin curing agent- MTHPA, and aim at establishing the world’s largest production base of anhydride curing agent relying on the regional advantages and resources advantages of Zhapu harbor area.


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