Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering Uns C23000 C26200 C44300 C68700 ASTM B111 Brass Tube, High Pressure Heat Exchanger of Seamless Stainless Steel Condenser/Steam Boiler Tube, ASTM/ASME B/Sb163 Uns N06600/Uns N06690 Nickel Alloy Seamless Steel Tube and Pipe and so on.