1. It adopts the same structure as the shock absorber used in suspension system, with high reliability and long service life.

2. The special design can effectively reduce friction, ensure driving stability, and is suitable for all-weather use.

3. Special seal design reduces excessive wear and ensures no gas leakage.

4. Multi layer electroplated crack hard soldering piston rod can effectively prolong the service life.

5. The series includes various structural forms, such as large spring or air bag or nitrogen filling.