Telecommunication fiber optic dome closure protective heat shrink tube CATV protection tube heat shrinkable fiber optic splice protector wire and cable marker sleeve Union Polymer Material Co.,Ltd.(hereinafter referred to as UPM) is engaged in the R&D, production and sales of heat-shrinkable insulation products, expandable braided sleeve and other functional polymer materials. Focus on providing coverage protection solutions for system components to achieve insulation, waterproof, wear-resistant, impact resistance, color coding, binding, electromagnetic shielding, identification and other functions. The products are mainly used in automobile, military industry, aerospace, telecommunication, electric power, electronics, shipbuilding and other fields. Products got ISO 9001:2015,IATF 16949:2016,GJB 9001C-2017,ISO 14001:2015,ISO 45001:2018 approval and comply with GJB,CE,UL224,UL486D,CCS,ABS,DNV. Let's shrink the world together. Let's choose Union Polymer.