Heat&Cold Shrink Tube manufacturer / supplier in China, offering Professional Manufacturer′s Thin Wall PVC Heat Shrink Tube Low Voltage 1kv PE Heat Shrink Tubing, 1/10/35kv Heat Shrinkable Busbar Junction Box Protection Box Flame Retardant Copper Row T/L/I Type, 1kv Low-Voltage Heat Shrink Busbar Lap Insulation Protection Box Joint Box and so on.