Huzhou Sifeng Biochem Co., Ltd is a high technology enterprise which mainly engages in the work of R &D production and sale of various natural plant extracts & pharmaceutical intermediates. It located in Huzhou City, Zhejiang Province, about 150km east to the largest port city Shanghai . We focus on the fields of natural plant extracts, pharmaceutical ingredients, advanced intermediates, chemical synthetic material and food additives, and we work strictly under GMP guidelines and advanced tec...View More