Shaanxi Yongyuan Bio-Tech Co., Ltd. headquartered in Xi&＃039;an, is an expert in the field of biochemistry, pharmacology and analysis of herbs and natural compounds. We are mainly engaged in plant extracts, natural pigment, natural sweeteners, animal extracts, fermentation of raw materials and other natural health products, our products are used in functional food, health food , drugs, cosmetics, animal feed, veterinary drugs, biological pesticides, environmental products. We believe that a good source, will bring a better life experience! We are interested in a potential partnership opportunity with you, We produce Chinese Herbal Extracts and Nutritional Raw Material & Ingredients with consistent quality and competitive price for several years in China.We can offer a complete product line of Herbal Extracts (more than 200 kinds), such as: Harmine CAS:442-51-3 Cytisine CAS:485-35-8 Yohimbine hydrochloride CAS: 65-19-0 Lappaconitine CAS: 32854-75-4 Lappaconitine Hydrobromide CAS: 97792-45-5 Esculin CAS: 531-75-9 Silymarin CAS: 22888-70-6;65666-07-1 Piperine CAS: 94-62-2 Magnolol CAS: 528-43-8 Honokiol CAS: 35354-74-6 Osthole CAS: 484-12-8 Resveratrol CAS: 501-36-0 Amygdalin CAS : 29883-15-6 Sclareolide CAS: 564-20-5