Refrigeration Spare Parts, Air Conditioning Insulation Pipe, Aluminum Coil manufacturer / supplier in China, offering Double Copper Tube, Insulated Double Tube, for Air Conditioner, 1/4 1/2 3/4 /3/8 Air Conditioner Copper Aluminum Pipes with Insulation, Black Rubber Copper Insulate Kit/Copper Line Set/Air Conditioner Parts/Copper Insulation Pipe and so on.