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Seamless Pipe(Out Diameter 8 - 830 mm, Wall Thick 1-60mm) Seamless Pipe(Out Diameter 8 - 830 m...……
Straight-seam Welded Pipe (Out Diameter 8 -3048mm, Wall Thick 0.5 - 60mm) ...……
Round Pipe (Out Diameter 8 -219mm, Wall Thick 0.3 - 3mm) ...……