Nanjing Clasien Pharmaceutical & Chemical Co., Ltd. ( Clasien Chem), a High-tech company, is mainly engaged in the research and development of API, pharmaceutical intermediates, agricultural and fine chemicals. Clasien Chem possesses own R & D laboratories and factory. The R & D researches are supported by senior scientists from China Pharmaceutical College and Nanjing University of Technology. The company is known for its capability to develop techniques for the production of fine chemicals on both kilo'' and ton''s scale and provides, among more than thirty other fine chemicals, on ton''s scale. Please contact us if you can not find your desired products, we will provide custom for you according to your specifications!