Longschem Co., Ltd., with 2 factories and 1 R & D Center, is specialized in the development, manufacture and sales of APIs, pharmaceutical intermediates, Chiral Compounds, intermediates for pesticides and dyes, hormones and fine chemicals. To ensure our advantages in products and technologies, we have cooperated with Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences锛孼hejiang University and East China University of Science and Technology, which has laid a solid basis for the sustainable development of the company.


Longschem accepts contract manufacturing and is capable of the development of new products.


Longschem鈥檚 business philosophy: Quality First, Service First; Pioneering, Pragmatic and Innovative; Sustainable Development.


Longschem warmly welcomes the cooperation of companies from around the world. And we鈥檒l be your best partner to develop the Chinese market.