... Pulseweldingmachine,Pulse Mig Series inverter pulsemig/magarc welding machinewithpulse,constantpressurethesetwo welding ways, In addition there has thehandarc ... ,bridges,pipes,boiler,pressure vessel etc welding of variousindustriesproductionwork.This series of weldingmachineshavethe ... time7,Special four - step features suitable for welding Thermal good Conductivity metal,when start arc ...