Hunan Kingson Pharmaceutical Technology Co., Ltd. is located in Changsha National Biological Industry base (the only one National Biological Industry base in the central and west region of China). We enjoy good location for we are close to national highway 319 and Changsha Huanghua Airport. Dingsheng is a hi-tech enterprise specialized in the research, development, manufacturing and trade of APIs, chemical materials, pharmaceutical intermediates, materials of health care products, food additives, cosmetic materials and materials of veterinary medicine; we are mainly specialized in the standardization of plant extracts and the separation of active ingredients of Chinese herb medicines. Now, our products are widely being used in biological industry, pharmaceutical industry, chemical industry, agriculture and beauty industry, etc. There are an experienced R&D team working in our company, and the members include professors, masters, and doctors, etc. Moreover, we establish steady cooperative relationships with famous universities and research institutes such as Zhejiang University, Hunan Medical University, Hunan Normal University, Yunnan College of Traditional Chinese Medicine, Yunnan plant research institute of Chinese Academy of Sciences and Zhejiang University of Technology, and become the strategic partner of them. We support each other, share resource and work together for mutual development. At present, we have two extraction laboratories of nature plants, one synthesis laboratory, one analysis & testing laboratory, one pilot-scale plant for nature extraction, one pilot-scale plant for synthesis and one manufacturing factory (about 20,010sqm). We establish human-oriented system, and lay great stresses on the importance of quality. Therefore, we make strict quality standards and QC system to control all operating procedures from the materials purchase, research, development, inspection and production to packing. We now have the good abilities to offer you quality products with stable performances. We now mainly produce 3 types of products: One, high standard plant extracts, including Salidroside (98%), Pterostilbene(98%), paeoniflorin (10%, 20%, 30%, 40%, 50%), Paeoniflorin(10%, 20%, 98%), chlorogenic acid (25%, 98%), Ursolic Acid ( 98%), Licopin( 98%), Salvianolic acid B (98%), Corosolic Acid (98%), Reseveratrol ( 50%, 98%) and Huperzine A (1%, 5%, 98%), etc. Two, antineoplastic drug Calcium levofolinate and Azasetron hydrochloride; Three,APIs, including Desogestrel and Etonogestrel, etc. Taking "Be honest and professional; excellent quality, good price, cooperation, mutual-benefits" as philosophy and sticking to such service idea of "keeping our commitment for further development", we are looking forward to establishing closely cooperative relationships with you!