This equipment adopts the IGBT inverter circult in parellel connection,which has hign load adaptability.welding of big and small gears of hard alloy saw blade;welding of jewelleries clock and watch.It adopts the most advanced MOS,IGBT frequency conversion control technologies to ensure the high effiency and max output power.The company has a wholesome distribution network.Its production has reached America,Europe and southwestern Asia area.