Air Conditioning Pipe, Enameled Wire, Stainless Steel Coiled Pipe manufacturer / supplier in China, offering High Malleability 99.92% Copper 3/8" 1-5/16" Tubing for School Air Units, Micro Wall C10300 Low Oxygen 1/4"~1-3/8" Tube for Precision Refrigeration Lab Equipment, Uniform Grain C10100 Ofhc 1"~2-1/4" Drawn Tube for Large Industrial Cooling Towers and so on.