Established in 2005, ChinaTech specializes in the R&D and production of high-performance aromatic dianhydride and diamine monomers. We have extensive experience supplying the polyimide industry, with monomers meeting diverse application standards and quantity demands, including: Separation Membranes, Colorless Polyimide (CPI), Photosensitive Polyimide (PSPI), Flexible Copper Clad Laminate (FCCL), PI foam, PI fiber, and Aerospace Auxiliary Materials.