Features: -4 cylinders synchronization, automatic hydraulic locking system. -Surface configuration, no need of underground concrete for high cost-saving, min height 105mm. -Imported screw thread valve keeps safe and credibility. Specifications: Lifting capacity: 3.0T Platform length: 1450-2040mm Platform width: 635mm Max lifting capacity: 1900mm Min lifting capacity: 105mm Lifting time: 45-50s Power supply: 380V/220V.