... . Our Lift Table is different from Hydraulic lift table,Air bag lift table,Spring lift table,linear actuator lift table etc ... .It is of Positioning precision,safely self-locking,Heavy duty,Uniform lifting speed and fully synchronized. 3. To select ... . Screw Lift Table:Screw Jack instead of hydraulic jack,air bag,spring,linear actuator7. Screw jacks are used in tables that ...