Union Polymer Material Co.,LTD-UPM Heat Shrink.Specialized in manufacturing heat shrinkable tubing and expandable braided sleeve.Wide application in Electronics wire connector and terminator,Automobile wire harness and pipeline protection,Telecommunication fiber optic splicer,Power cable joint and termination,Switchgear cabinet bus bar protection,Rail Mass Transit. Mainly for wire & cable management,waterproof sealing,completely insulation,mechanical protection,excellent bundling identification.