... 4.Metal Arc Welding Inverter DC Gas Metal Arc Welding Machine NBC350,NBC500,NBC650Characteristic:*Perfect welding quality, nice welding line and perfect welding quality are ... heating is smaller,so welding distortion is much less too. Application:For automobile manufacture, shipbuilding, bridge building, pressure vessel, steel structure ... 1.6FIP21S68680×360×790 Inverter DC Gas Metal Arc Welding Machine