... approved LCD Digit show stable,protable,durable Advanced inverter technolong ARC stick inverter welder CE approved LCD Digit show stable,protable ... Stable and reliable welding current;4.Thrust compensation capability, good arc stability, uniform melting pool, little welding spatter, and good weld ... of 500A and above can be used for air carbon arc gouging;7.Extensively used in the welding and field ...