Lightweight mini MMA 400 . For home factory use . Our welding machine, which is made of high-quality panel as well as delicate treatment, integrates comfortable grip, easy operation and high precision, and is popularly applied in various applications in daily life, particularly suitable for low carbon steel, stainless steel, alloy steel etc. uses imported IGBT and fast recovery diodes as main electric components. It is supplemented by a specially developed main PCB board. In addition, the uniform regulation of welding current has been designed to guarantee the arc reach good welding process adaptability. What's more , its perfect dynamic protection features ensure that it is safe and reliable when use. Besides, there are almost all necessary accessories included in this kit for convenient operation. Don't hesitate to buy it!