Refrigeration Spare Parts, Air Conditioning Insulation Pipe, Aluminum Coil manufacturer / supplier in China, offering 1/4+1/2 Air Conditioner Copper Pipe 10m 20m 50feet, Air Conditioner Copper Aluminum Insulation Pipe Kits/Insulation Tube, Air Conditioner Pipe Cu-Alu Welded Copper Insulation Pipe and so on.