1. Pneumatic release safe and reliable. 2. The initial height is lower (11omm), trench-free, integrated pulley. 3. Coupled axle drive, solid synchronous performance and lifting capacity.4. Hydralic system is assembled by imported electro- magnetic valve and seal components,guarantee the stability and working life of the machine. 5. When power supply is off, lift and vehicle can be down by manual. 6. Safety alarm device is designed for up and down. 7. Oil cylinder with upper retum oil, rust-proof.
