Inverter DC ARC Welding Machine:BEST PRICE,Minimizing,lightness,low noise,high quality and energysaving Inverter DC ARC Welding Machine Specifications ParametersModelARC ... alloy steel, and iron cast.2. Easy to initiate arc, low noise during welding, less spray.3. Widely ... . Small in size, light in weight, high efficiency, energy saving, durable and economical. Inverter DC ARC Welding Machine(ARC-200S)