IGBT welding machine 1.IGBT inverter tech,stable performance 2.Stable welding arc, ... IGBT welding machine1.IGBT inverter tech,current-mode control,reliable quality,stable performance2.Closed loop feedback control,constant voltage output,workable ... )3744External Dimensions(L*W*H)600*300*540600*350*580 Good quality IGBT welding machine(CCC&CE)