1.lightness, high-quality and energy-saving 2. Iso9001:2008,CCC,CE,etc. Be able to weld various rods as aluminum, aloofer,etc Product Introduction Product Features:1- Precise digital display of preset and actual welding current and voltage values.2- IGBT inverter soft-switching technology,high frequency, high efficiency and low noise, good performance in anti-jamming, stable arcing.3- High ...