200A/250A/300A/400A/500A/630A�  DC TIG Welder/MMA Welder/DC Welder/TIG Welding Machine Lift TIG/Hf TIG Welding Machine, Tig Welder, Welding Equipment, Arc/MMA/ZX7 Welding Machine, Inverter Welding, Dc Welder, Welding, Welder, Arc Welder, Power Tool, Welding Solder, Tig Welding, Tig Welder, Mig Welding, Ac Welding Machine, Plasma Cutter, Cutting Machine, Plasma Cutting Machine, welding helmet and power tools. Features: 1.Intelligent interface conversion 2.Adopt� IGBT single tube/single module to ensure reliability 3.Unique switching power supply,wide application range of power supply 4.SMT chip design,ensure the duty cycle 5.32-bit microcomputer chip processor,real-time current display 6.Advanced high-efficiency inverter technology,30khz,high working frequency 7.Usable for generator, suitable for field operation 8.Automatically save the parameters of the last operation 9.Overheat,overvoltage,undervoltage protection to prevent machine damage 10.Suitable for acid,alkaline,high strength electrode and other welding electrode 11.Coloered LCD display,easy to use