Profile: Yancheng Hengsheng Insulation Co.,Ltd is a manufacturer of insulation materials such as polyester film composite, braided fiberglass sleeving, epoxy phenolic glass cloth laminated sheet, silicone fiberglass sleeving, and phenolic paper laminated sheet. Our electrical insulation products are used in power generators, transformers and industrial electric motors. Silicone coated fiber glass sleeve is knitted with high bulk glass fiber sleeve, which can withstand repeated exposures to molten steel, aluminum and glass. We are an ISO 9001 certified company.