1. Adopt landing control lock device.

2. The hydraulic power unit is equipped with a throttling device, which can adjust the descending speed at any time.

3. Hydraulic cylinder drive, wire rope transmission, stable and quiet lifting.

4. Set the wire rope control safety lock, which has the protection function of wire rope breakage, and the operation is safer.

5. Adopt electric interlocking lock, eight-point locking, easy to operate.

6. It can be locked at the required height at will for operation, safe and reliable.