Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering Air Conditioner and Refrigerator Pure Straight 99.9% Copper Pipe Tubing, ASTM A335 P2 P5 P9 P11 Seamless Alloy Steel Tubes, ASTM B280/B111 C11000 C12200 C10100 C10200 Seamless Copper Tube and so on.