Refrigeration Spare Parts, Air Conditioning Insulation Pipe, Aluminum Coil manufacturer / supplier in China, offering 1/4 3/8 1/2 5/8 3/4 Insulated Copper Aluminum Pipe 3m 5m 7m10m, AC Connecting for Insulation Copper Tube with White PE Copper Line Set, HVAC Standard Air Conditioner Insulated Tube Copper Aluminium Connecting Pipes and so on.