Sichuan Em Technology Co., Ltd. researches, develops, manufactures, and sells new chemical materials worldwide. Its products include optical PET base films, multi-layer ceramic capacitor release base films, dry films, insulation materials such as PET and BOPP films, and functional materials including polyvinyl butyral (PVB) interlayer films and flame-retardant polyester products. It also offers electronic resins, tire and rubber resins, impregnating varnishes, and wire enamels. The company serves industries such as power generation, UHV power transmission, smart energy grids, new energy vehicles, rail transportation, optoelectronic displays, consumer electronics, 5G communication, and electrical appliances. Founded in 1966, it is headquartered in Mianyang, China.