We are committed to chemical intermediates, pharmaceutical intermediates, ion exchange resin R & D, production and sales. Our company is a specialized manufacturer and trader of polyimide monomer of pyromellitic dianhydride (PMDA) ,4,4'-Diaminodiphenylether(DPE), 2,2'-Dimethyl-4,4'-diamino biphenyl (m-TB-HG), etc. The quality of our products can meet the leading standards in the world. Our factory Sticking to such philosophy of on the basis of honest business; guided by the leading technology; taking customers as number one priority; to get survival by excellent quality, adopts leading method and management system, and has establish a set of unique and production management system successfully. Our customers around the global, products are exported to Southeast Asia, Europe, and America. We will return to your trust in us with the best products and best services! We are sincerely looking forward to the cooperation with you!