Chengdu King-tiger Pharm-chem. Tech. Co., Ltd., founded in the year of 2007, is the few professional manufacturers for the series of astragalus extract (Astragaloside IV and Cycloastragenol) in China. Its core business is researching and developing, separating and purifying from the traditional Chinese medicine and natural plant herb to find compounds which have significant biological activity; representative products were Astragaloside IV, Cycloastragenol. King-tiger Pharm-chem. located in Southwest Hangkong Harbor pharmaceutical Developing District, Chengdu City, China and the R&D center, extraction and refined production workshop, which were designed in accordance with GMP requirement, were established here. The R&D center with highly qualified R&D team, equipped with HPLC, UV and other advanced equipment and testing instruments, focused on researching new products and new technology etc. Extraction and refined production workshop is mainly used to produce our high purity natural plant extract to meet the domestic and international markets. We newly build an extract and refined processing workshop to extract Chinese herbal medicine. Its processing capacity is up to 1, 000 tons per year. This workshop has complete sets of equipment, such as pre-processing, concentration, extraction, column chromatography separation, refrigeration, spray drying and vacuum drying etc. All products are produced under GMP condition and strictly tested by MS, NMR, and HPLC. Now we regularly produced astragalsoide IV 1% to 98% and Cycloastragenol 50% to 98%.