Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering API 5L ERW Line Pipe Gr. B/X42-X70 8.625"-20" 0.12%Max S for Oil/Gas Transmission, ASTM B111 C71500 CuNi Tube Copper-Nickel Finned Tube for Sea Cooling Water, ASTM A213 Seamless Alloy Steel Pipe Heat Exchanger Tubing Round Boiler Tube and so on.
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