Shaanxi Yongyuan Bio-Tech Co.,Ltd. Headquartered in Xi’an, is an expert in the field of biochemistry, pharmacology and analysis of herbals and natural compounds. We are mainly engaged in herbal 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. We are devoted to be your reliable source of herbal extracts in China.