Dongguan Front Insulation Materials C. Ltd. Si an enterprise specialized in macufacturing insulating tubes such as silicone fiberglass sleeving, silicone rubber fiberglass sleeving(inside fiber outside rubber, inside rubber outside fiber), extruding pure silicone rubber flexible tube, high-temperature resistance special fiberglass sleeving and acrylic resin fiberglass sleeving. We are one of the first enterprises that certified with UL, cUL certificate in China. All our products adopt up-to-date craftmanship, advanced equipment and excellent materials, with which we are pleased to be of service to all the customers both local and international.