Founded in July, 2004, Huzhou Hengyuan Biochem. Tech. Co., Ltd is a company that engages in the technical development and production of new-style pharmaceutical raw material drug and intermediate, covering the research, development and technical service of biological products, fine chemicals and health products, and the wholesale and retail of chemical products and raw material. It located in beautiful city-Huzhou, Zhejiang province. we were evaluated “Zhe...