Refrigeration Spare Parts, Air Conditioning Insulation Pipe, Aluminum Coil manufacturer / supplier in China, offering Black Insulation Pipe 3 Layer UV-Resistant M1 Flame Retardant Copper, Double Pipe Standard Size 1/4"+3/8" 6.35+9.52 Insulated Copper AC, 6.35 1/4" 8mm Insulated Copper Tube Single Pipe Standard Size and so on.