1.CCC,CE approval 2.IGBT 3.AC/DC, TIG/MMA, Pulse IGBT DC TIG welder/Welding Machine(CE approval, TIG200ADC)1. Inverter technology, stable current, reliable and durable ... :high-compressives strength,strongly resistance to shock loading,nondeformable.TIG200ADC:welding machine/high frequency welder/electric welding machine IGBT AC/DC inverter TIG (GTAW)Welding Machine(CE approval, TIG200ADC)