Chengdu Huayi Heat Shrink Material Co., Ltd. Is a professional manufacturer of cold shrink and heat shrink products as well as optical communication wiring equipment, which is an ISO international quality system certified enterprise and an excellent enterprise of the Ministry of Information Industry into the network. There is a team of engineers and senior engineers including Dr. R & D. The company has advanced technology, first-class equipment, high level of quality management, users all over the world, products are exported to foreign countries. Our main products include heat-shrinkable cable accessories, cold-shrinkable cable accessories, heat-shrinkable sleeves for communication, heat-shrinkable tapes for oil pipelines, cold-shrinkable tubes for communication base stations, optical communication wiring equipment, etc.