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About Wynca
Zhejiang Xinan Chemical Industrial Group Co., Ltd. (known as Wynca Group) was established in 1965, and listed in Shanghai Stock in Sept. 2001.
The major businesses of Wynca are crop protection products and organic silicon materials. The company has formed a complete silicone industry chain from smelting cores, ganister sand processing, monomer systhesis to the final products, generating the four large product series including silicone rubber, silicone oil, silicone resin and silane coupling agent. All of those have contributed to the company’s superiority of whole industrial chain in the industry.
Wynca sticks to international development path and the products are marketed to many countries and regions in the world. Wynca set up subsidiaries in North America, South America and Africa, and established strategic partnership with Momentive and Evonik respectively, which contribute to the stable growth of international brand popularity and market shares.

About Topwin
Topwin is established by Wynca Group together with several specialty silicone companies for the purpose of integrating the complete Silicone industry chain and marketing into the final products fields. The company gains competitive advantages from its founders who are sophisticated industrial players in both upstream and downstream supply chain.

Topwin is specialized in research, production, sales and marketing in silicone-based performance materials and a professional technical service provider. Our products are mainly used in polyurethane foam, textile and leather, inks and coatings, paper release coating, personal care and agriculture, etc.
The goal of Topwin is to become one of the leading silicone based performance materials suppliers and solution providers in China.

Factory Photo