Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering GB/T 14291 GB/T 3091 Welded SSAW Steel Pipe for Mine Fluid Sevice, En22451 CuNi10fe1mn Nickel Copper Alloy Steel Pipe for Condenser, ASTM B111 C70600/C71500/C71640 Nickel Copper Alloy Tube and so on.
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