... no-load voltage,good thrust compensation ability and stable performance,it can continous long time to work;6.It has electronic display ... for iron and another metal.-------WS,TIG Series is ingverter dc argon arc welding for stainless steel and another steel,copper ... another low alloy components.-------CUT,CT,LGK Series is inverter dc plasma cutting for stainless steel,carbon steel,copper,aluminum and ...