Company introduction Shangyan Chemical Co., Ltd. has been focusing on R & D and production of special chemicals for more than 20 years, leading in technology, stable in quality and excellent in service. It has developed into one of the leading suppliers of additives and resins in the world. Business development is based in mainland China, facing the world, and has established many sales companies in Taiwan, Vietnam, Thailand and other places. Vision Shangyan Chemical Co., Ltd., master the core ...