1. The hydraulic rotary motor and gear are built-in, which can effectively avoid oil pollution and collision. The gears are convenient for replacement, closely matched, stable and durable.

2. The box adopts an open structure to ensure pressure balance and stable heat discharge in the box.

3. It adopts high performance imported damping rubber block, which has stable quality and long service life.

4. It uses original imported hydraulic motor, which is stable in efficiency and outstanding in quality.

5. The tong cylinder has strong thrust and keeps the pressure. It is stable and reliable to ensure that the pile body is not loose and guarantee the construction safety.

6. The tong is made of imported wear-resistant sheet with stable performance and long service cycle.