Established in 2002, Nanjing Clasien Pharmaceutical & Chemical Co., Ltd. is a modern hi-tech enterprise, enjoying good location for it is located in Nanjing city. Now, Clasien is a hi-tech stock enterprise specializing in the research, development, products and trade of pharmaceutical intermediates and fine chemicals such as anti-AIDS drugs, antineoplastic medicines and medicines of stopping smoking. Boasting 2 R&D centers and one production base, Clasien is a provider of new chemicals from kilo...