1.Inverter technology for DC welding of all type of electrodes.2.Easy to use due to a light weight ,small volume and a low pow consumption.3. Insenstive with the fluctuation of the current or the length of Arc continuous welding power.4.High welding current stability.5.Very soft fusion dute to its DC current.6.SUPER STRONG ELECTRICITY NETWORK COMPENSATION CAPABILIBY ,Resiitant to voltage and under voltage(+/-15%)7.Very good penetration and perfect stability of the arc.8.Possinility to use with scracth TIG9.Broadly used in the welding and fileld operation of oil pipeline/chemical industry/car/shipbuilding /boiler power staton construction/nuclear energy/spaceflight/military industry /industrial instation bridge construction ,ec