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United Steel Industry Co.,Ltd as member of United Steel Industry Group, is one of the best manufacturers & exporters of steel pipe and pipe fittings in China
ERW的制造和LSAW钢管,出口范围inculde ERW,LSAW,SSAW,SMLS和管件
管接头,虹吸管,温度计套管,浮阀,文丘里注射器和许多其他不锈钢配件的制造商