Features：
1. Easy to operate, fully automatic to rise, fall and manual lock.
2. Safe to use by setting top limit switch, to prevent overhead collision.
3. Double hydraulic cylinders drive, stable lifting and lowering.
4. Adopt two steel cables for qualization, force two carriages to move synchronously, and effectively prevent the vehicle from tilting.
5. Lowest height of lifting pad is 110mm.
6. Passed 115% dynamic loading test and 150% static loading test.
Function：
