Huzhou Sifeng Biochem Co., Ltd. was established in 2001. For 15 years we have taken pride in offering the highest quality plant extracts, raw material of cosmetic and nutritional ingredients at competitive prices. Our key products are Policosanol, Octacosanol, Triacontanol, L-Glutathione, DHA powder, CO-enzyme Q10, Pearl Powder and silk extracts.Best quality, excellent service, instant delivery and competitive price are our mission. We guarantee to meet your requirement for high quality ingredients to ensure that we are your trusted business partner. A re...