Beam using high strength rectangular tube with beautiful appearance. Platform overall molding, bearing up to 3.5 tons. Automatic rest type pneumatic safety valve. Safety,reliable and high efficiency synchronization. Standard oil-water separator with pressure gauge. The wire rope fracture protective mechanism can effectively prevent the cable drop fast when fracture. As a professional alignment rack lift manufacturer, Dinggao can provide many optional parts, such as slide plate for four post wheel alignment. Optional hydraulic rolling jack, bearing 7700 lbs(3.5 tons),lifting height 1763mm, and there is hose bracket on the column. Yellow warning parts on the slope, at the same time of warning also protect the ground friction. Four columns secure level accurate adjustable. There is a throttle valve on the channel for oiling. All moving parts are equipped with grease nipple ,convenient to fill lubricating oil. Export-type pneumatic safety components have long service life and high synchronization efficiency.