（1） Adopting advanced inverterue and excellent imported raw material, high woking efficiency, small in size and light in weight
（2） High frequency pressurization arc starting and pulse heat arc starting design which is easy for arc starting, wide range for current adjusting and superior of cost performance
（3） Protection e are set internally to prevent over heat, over current, lack of voltage etc. to ensure safety operation
（4） Unique design of output characteristic, suitable for wire-added welding and esthetic welding seam
（5） Strong adaptability to grid, high duty cycle and suitable for continuous working of factory
（6） Simple structure, excellent technics, durability, reliability and easy maintenance
（7） Ideal e to weld stainless steel, carbon steel, pure copper (red copper) etc.
（8） One machine serves several purposes and stable performance, high efficiency and energy-saving, high efficiency and energy –saving
（9） Adopting passive power factor correction, and high in power factor