... ,high effectiveness,fluxdeliver and collect system H-beam production line,h-beam steel machine,h-beam welding H-beam ... production line ,h-beam steel machine,h-beam weldingCG1-4000 Multi ... supply380V/3PH/50Hzl gantry speed3000mm/minl welding speed2501000mm/minl extension pillar left/right adjustmanuall speed adjustmentfrequency converterl control boxwelder/ ...