Heat&Cold Shrink Tube manufacturer / supplier in China, offering 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, 1kv 2-4 Cores Heat Shrinkable Cable Termination Kit Heat Shrink Straight Joint Kits and so on.