... multiple protection function.Thismachineishigh classmulti - purposesoftswitchdigitaldual -Pulseweldingmachine,Pulse Mig Series inverter pulsemig/magarc welding machinewithpulse,constantpressurethesetwo welding ways, In addition there ... etc and othermetal materials.Widelyused inmachinery,automobile,motorcycle,shipbuilding,metallurgy,mining,buildings,bridges,pipes,boiler,pressure vessel etc welding of ...