WELDING MACHINE NBC 250 GAS PROTECTION 1.Continious or Intermittent Welding Capacity. 2.Build-in or Separate Wire Feeder... I. INVERTER ... successfully Rate of arc-starting. 3.Little splash, deep welding pool,beautiful welding seam, heat-proof and Spilt-proof. 4.Suitable for ... steel, low carbon steel, alloy steel etc and suitable for welding the thin-palte(0.8MM). WELDING MACHINE NBC 250 GAS PROTECTION