Refrigeration Spare Parts, Air Conditioning Insulation Pipe, Aluminum Coil manufacturer / supplier in China, offering 1/4 & 1/2 Copper Pair Coil White 30m Roll, 1HP, 2HP, 3HP Insulation Copper Aluminum Tube 10m, 1/4 3/8 1/2 3/4 Certified USA Insulated Copper Line Set Tube 50FT and so on.