The pipe making machine in 2004,has passed ISO9001:200 Quality Managing-system Certification GH60 uintDiameter of Wleded Tubes Φ22~Φ63mmWall Thickness of Welded Tube 0.8~3.5mmSpeed of Tube Welding 20~65M/minPower of major motor 110 KWHigh Frequency Power 200KW GH60 straight seam and high frequency welded pipe making machine