Ladder truck is also called ladder truck, aerial transport vehicle, aerial work vehicle and ladder moving vehicle. The vehicle is mainly used for project leasing, curtain wall construction, roof waterproof operation, solar energy installation, advertising anti-aircraft gun, power maintenance, air conditioning installation, moving company, cement sand handling, ship maintenance, road and bridge repair, etc. The operation range can reach 30 / 32 meters high, equivalent to 10-11 floors, with a maximum cargo weight of 400 kg.