Stainless Steel, Copper, Aluminum manufacturer / supplier in China, offering Cold Draw Seamless Pipe C44300 2.049 Cw708r Copper Pipe, Seamless Brass Round Copper Tube Pipe C4430 C68800 2.047 Cw706r, C3771 C38000 2.0402 Cw617n Low Pressure Boiler Steel Tube, Copper Pipe and so on.