Refrigeration Spare Parts, Air Conditioning Insulation Pipe, Aluminum Coil manufacturer / supplier in China, offering 15m 1/4 1/2 3/8 3/4 Insulated Copper Line Set Connecting Tube 50FT, Us Standard 50 FT. Black PE Copper Line Set, Competitive Price Insulated Spiral Flexible Copper Pipe Corrugated Tube for Air Conditioning and so on.