Material guarantee: 
1. All the material is checked one by one before warehousing. 
2. International high end IGBT products, such as INFINEON, Fairchild and SILVERMICRO

Quality checking system: 
1. Material check, PCB check, PCB debug, assemble check
2. Machine debug, machine full load experiment, machine testing, trial welding test
3. Package test
4. The price is based on INTERNATIONAL QUALITY SYSTEM

Features: 
1. Durable and reliable for industrial welding environments
2. Compact design for portability and easy access
3. 1 year warranty, lifetime repair
4. VRD protection system guarantees flawless operation
5. Anti-stick, thermostatic control
6. Hot start, arc force, HF
7. Stable, smooth DC arc
8. Digital display
9. Continuous and stable working capacity, with function of balancing voltage waving. 
10. Extremely flexible for materials like: 
A) All kinds of ferrous metals, such as
B) Low carbon steel
C) Medium carbon steel
D) Alloy steel, etc