1. lPatented special designed free adjustable electrode base calibrating system ensures the welding quality. (Patent No.: ZL 2007 10011656.3)
2. Welding stroke control to ensure the welding quality compare to traditional control by welding time, this is designed to avoidthe nature factor during process.
3. Special customized welding transformer, which is original from Russian technology, to get the stable welding performance.
4. Adjustable secondary welding current in 8 grades, with thyristor adjustment to meet the difference of tubes.
5. Easy operation and setting with PLC control system and touch screen controller.