We are tianjin jiayi insulation material co., ltd, one of the best insulation material manufacturers in china. we have produced and dealt in polyimide film series of products for many years and have enjoyed great popularity in domestic and international markets. our products are used for insulation material, electronic material, traction electric machine, electrical machine, mica tape, grade h motor, electrical insulation and the electric engineering insulating materials for other usages. and our company has obtained a variety of certificates: iso9001, american ul certification, sgs environmental protection certification.