1. Multi-process welding, MMA, MIG, TIG, CAC-A; 2. Double Pulse, built-in water tank, Al ... . 3. CE,SGS, ISO9001, CCC MIG-500P Double Pulse Aluminum Inverter Digital Welding Machine Order No.ZT5751Product ModelMIG-500PInput Voltage/Frequency3~380V 50/60HzRated ... plate. Start and end the arc easily. No crater defect.7, No spatter and good welding performance.8, Functions of avoiding over ...