A ladder truck (in English: Ladder truck) is also known as a ladder-based moving vehicle, as it is often used for moving items at high heights.Aerial lift vehicleAs its functions continue to improve, it can be used for a variety of applications such as curtain wall construction, installation of equipment on the exterior of high-rise buildings, installation of outdoor advertisements, electrical maintenance, ship maintenance, moving items at great heights, transporting cement and sand for high-rise building renovations, as well as the repair of roads and bridges. Chengliwei brandImported aerial lift trucksThe typical working heights range from 28 meters, 30 meters, 33 meters, 38 meters, to 47 meters. For heights of 28 meters, 30 meters, and 33 meters, blue license plates are used, and a Class C driving license is sufficient; no special operating permit is required.Chengli aerial liftThe main components include: telescopic ladder arms made of imported aviation aluminum, hydraulic rotary motors, brakes, hydraulic locks, multi-way valves, balance valve assemblies, reducers, hydraulic telescopic legs, wireless remote control devices, dump buckets, radiators, and so on. Fire ladder trucks equipped with special firefighting devices can also be used for rescue operations in high-rise buildings and for extinguishing fires in tall structures; they are also known as ladder trucks.Fire truck；Fire ladder truckIt can be equipped with a lift platform and a fire extinguishing system, allowing firefighters to ascend to higher levels in order to put out fires and rescue people trapped, making it suitable for firefighting in high-rise buildings.