Refrigeration Spare Parts, Air Conditioning Insulation Pipe, Aluminum Coil manufacturer / supplier in China, offering 1/4 3/8 HVAC 7.5m Insulated Pair Copper Tube, 3/8 5/8 3.5m Insulated Pair Copper Tube, 3/8 5/8 10m Copper Installation Kits and so on.