Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering En 10297-1 E235/E275/E355 Seamless Circular Steel Tubes for Mechanical, ASTM A252 Sch40 80 Od 19.05mm Welded Carbon Steel Pipes, ASTM A789/A789m Uns S31803 Duplex Stainless Steel Tubes Welded Pipes and so on.
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