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1. Air control cylinder construction and solenoid valve.
2. High conductivity secondary re-circuits.
3. Sold frame structure.
4. Both interior and exterior of machine are treated with coating.
5. An optional press adjuster is provided for upward and downward adjustment.
6. All series with microcomputer precision control circuit.
7. Transformer of excellent current conductivity and of minimum electric loss.
8. Welding current circuits with adoption of SCR no-contact-point switch
DNT series projection spot welding machine
