1. The rotation structure is driven by the DC motor, while stepless speed regulation can be achieved.

2. The turning structure of worm and gear has the function of self-lock, and the worktable can be turned steplessly between 0-90°.

3. Special design of anti-electromagnetic, which reduces the high frequency interference of TIG's welding, and can improve the welding quality effectively.

4. A self-controller can be furnished to control the working condition and working time, which can achieve the linkage of the positioner and welder.

5. The adjustable-welding gun support can be furnished to fix the position of the welding torch.