Xi'an FeiDa Bio-tech Co., Ltd . is a high -tech erterprise that is specialized in the planting, developing , producing, processing and trading of natural plants .We have the full set of taking , extracting , column chromatography , concentrating , and drying equipments with annual production of more than 3000-ton raw materials of Chiese herbal medicines .We fully take the advantage of the abundant natural medicament resources and we study , develop and produce more than 300 ingredients , standard extracts and ratio extracts as well as Raw herb powder, which are widely distributed at home and abroad , such as Geinistein , Ursolic acid , Icariin, Hyperforin , Octacosanol, Series of resveratrol , Series of astragalus, Series of matrine etc.