Refrigeration Spare Parts, Air Conditioning Insulation Pipe, Aluminum Coil manufacturer / supplier in China, offering 3/8" 5/8" 50FT. 100FT. Air Conditioner Copper Line Set, 50FT. 100FT. White PE Copper Line Set for Air Conditioner, Double Copper Tube, Insulated Double Tube, for Air Conditioner and so on.