Shenzhen Sunbow Insulation Materials MFG. Co., Ltd. was established in 2003, mainly engaged in research & development, manufacture and sales of various insulation sleeves. We has leading R&D team.Our main products include fiberglass sleeving, PTFE tube, silicone rubber tube (especially platinum vulcanized silicone reinforced mesh tube), PVC tube, corrugated pipe, expandable sleeve, PE heat shrinkable tube, polyimide film tube and so on in R&D, production and sales. All of our fiberglass sleeving have been obtained the UL and CSA safety certificates