1.Advanced IGBT inverter technology,welding machine. 2.High effective,low consumption, welder. 3. Suit for MMA ,welding ... and voltage values.2- IGBT inverter soft-switching technology,high frequency, high efficiency and low nosie, good performance in anti-jamming, ... arcing.3- High ablity againt mains fluction, wide application. With complete over-voltage, low-voltage, over-heating and over current ...