Self-propelled lifts itself has walking and turning drive function, without manual traction, no external power supply mobile flexibility, make aerial work more convenient, efficient and safe production of modern enterprise ideal of aerial equipment. Widely used in municipal, electricity, street lighting, advertising, communications, photography, landscape, transportation, port, airport and port, large industrial and mining enterprises and other sectors of installation and maintenance and take a job. For the wild variety of rugged terrain, a wide range of space operations, mainly used in construction, bridge construction, construction shipbuilding, airports, mining, ports, communications and power facilities, and outdoor advertising construction equipment.