Wenzhou Tianquan Biotechnology Co., Ltd (the former Wezhou Tainyuan Biology Co., Ltd, established in 2005) is a high-tech enterprise focusing on research, development, production and sales of polyamino acid series of products. Our products are widely used in medicine, agricultural chemicals, perfumes and seasonings during asymmetric synthesis , especially asymmetric epoxidation reactions. Our company is located in high and new tech Industrial development zone, Wenzhou, Zhejiang ...