The upper part is made of Baosteel 1180 material, Dongfeng Tianjin Kangji 210 horsepower national VI emission, 45-meter high-altitude work vehicle, 7-section octagonal work arm, synchronous telescopic, main supporting hydraulic, electrical components, balance valve, controller, etc. are all imported parts, and the full ratio system is with seat. This vehicle is equipped with bidirectional hydraulic locks, bidirectional with lock balance valve flow valve, hydraulic cylinder, engine start-stop emergency pump, operating system and its control computer and other main components are all domestic well-known brands, and the core components are components. The reversing is stable, the operation is flexible and convenient; the support leg and the work arm are interlocked, safe and reliable, and prevent misoperation.