2. Concrete must be in good condition and must be of test strength 3,000psi minimum.
3. Floors must be level and no cracks.
Car Lift, Auto Lift, Car Hoist manufacturer / supplier in China, offering 3.2t Pneumatic Car Jack Lifting Tools (RJ-7A), High Speed Scissors Motorcycle Home Garage Lifting Tools (MC-600), Electric-Air Control System Double Scissor Lifting Tools (DX-4000A) and so on.