1. ADOPTING MOSFET INVERTER TECHNOLOGY, ADVANCED ELECTRONIC CIRCUIT DESIGN, HANDY POWER SUPPLY, ENERGY SAVING. 

2. SUITABLE FOR TIG AND MMA, TWO FUCTIONS IN ONE MACHINE.

3. HF ARC STARTING, EASIER OPERATION.

4.  SPECIAL ARC FORCE ADJUSTMENT FOR MMA WELDING.

5. LED DIGITAL DISPLAY CAN PRESENT EXACT CURRENT.

6. CHOOSABLE WATER-COOLING FUNCTION AND SETTING.

7. APPLICABLE FOR WELDING OF CARBON STEEL, ALLOY STEEL, STAINLESS STEEL, COPPER, AND TITANIUM, ETC. 

8. APPLICABLE FOR VARIOUS ACID AND BASIC ELECTRODES WELDING ROD.