Huzhou Sifeng Biochem Co., Ltd is a Plant extract, Animal extract and Pharmaceuticals Adjuvant supplier. We are Located in Huzhou, Zhejiang, China. Octacosanol, Policosanol, Triacontanol, Myricetin, Pearl Powder and silk extract are our key products. They had been applied to Nutritional, Cosmetic, Pharmaceutical, Feed and Food industries. We have large experience in produce plant extract, especially Policosanol (Octacosanol). We produce it for 11 years. We strictly follow the GMP regulations ...