... mma welding machine -IGBT inverter tech,small,light(4.5kgs)portable -high efficiency,fan-cooled,suit1.5-4mm rod DC Inverter arc/mma welding machine,welding ... of particle content,improve the dutycycle,welding performance and extending the life.5. ... Welding suit1.5-6mm Protection classIP21 Weight4.5kg Dimensions29x13x20cm StandardCE Trademark:OEM/SONSCN MMA Series portable DC inverter mma welding machine ...