Our custom 4 post alignment lift open front is equipped with oil-water separator. Wire rope fracture protective system can effectively prevent the steel wire rope fast when fracture. Optional all cover slip plate, facilitate the vehicle four-wheel alignment accurately. Optional hydraulic rolling jack, can support up to 5.5 tons and the lifting height 1729mm. 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 throttle valve on the channel for oiling. Dinggao, a 4 post alignment lift open fron manufacturer in China, export pneumatic locking components, long service lift, high efficiency synchronization.