Heavy duty four post car lift is for repair and maintenance 8-16 ton big cars, it is electrical hydraulic drive;four sides manual safety locks(penumatic unlucking release system is optional),use more safety and reliable,independent hydraulic cylinder,no need routine maintenance,remove convenient,easy use;Mechanical process of post orbital at one time,strong strength,can be used longer;special chain drive mode,large anti-extension power,can sure the safety of people and machine;long platform can be choose for different kinds of vehicles.