Features: 
1) With optional different types of spot gun or tool packages, different function
    can be realized: 
    a) One side / double sides spot welding
    b) Screws / rivets spot welding and refinishing
2) Accurate parameter adjustable for electricity time and welding current
3) Main circuit switch durable and reliable, output current stable
4) Welding / adjustment switch, easy for spot gun first positioning
5) Strong current, short pulse working manner, simulating capacitor storage
    welding result
6) Can be connected to STUDDER kit, manual spot gun
7) Micro processor digital control technology, full digital IC, and synergetic 
    control panel
8) Movable power supply and finished pneumatic spot gun