NBC-250F MAG Welding Machine 1.High efficieny, energy saving 2.Power reach the standard, high duty cycle 3.durable, economic ... continuous welding, spot welding, discontinuous welding, small splash, high success rate to arc starting, good weld appearance.3.High efficiency,production efficiency ... strong, and the performance is stable. 8.Suitable for welding thickness is more than 0.8mm steel sheet. ...