2.Concentrated heat,easy to fill in the wire.good weld surface.
3.Built in alarming and protective circuits are protective circuits are provided to prevent over current,over heat,over voltage,under voltage etc,ensure safely operation.
4.High duty cycle,continuous operation without interruption at large current is available.
5.Suitable for welding of various metallic materials, such as aluminiu m and it's alloy,carbon steel,stainless steel,copper,titanium,etc.