Refrigeration Spare Parts, Air Conditioning Insulation Pipe, Aluminum Coil manufacturer / supplier in China, offering 3/8-3/4 50FT 1/2′′ Insulation Copper Line Set for Air Conditioning, 1/4-1/2 4m Copper-Aluminum Tube Kit for Air Conditioning, 1/4-3/8 3m Copper-Aluminum Tube Kit for Air Conditioning and so on.