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ERW/LSAW WELDED STEEL PIPES manufacturer Hebei Xingfeng Steel Pipes can supply ERW(e...
1.Commodity Alloy Steel Pipe/Tube 2.Standard GB5310-2008,GB9948-2006,ASTM A335/A335M...
Steel Flanges Material Carbon steel ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S...