Electric lift electricity as power lifting or handling lifting machinery and equipment, mainly for companies, chemical, municipal, power, transportation and other industries and areas engaged in aerial work. Easy to move, approachable, easy to operate, large work surface, and a wide range of balanced performance. Brief history of the first lifting equipment in ancient China and European countries, is a tool similar to "hauler" is used to vertical transport people and cargo. In modern times, we used to lift the cargo is a wooden ladder, inconvenient, climbing more dangerous. March 23, 1857, in New York, a five-storey shops first Otis safety devices installed passenger lifts. The initial lift is driven by a steam engine, the placement of the building must be equipped with a boiler room. In 1880, the German Siemens invention using an electric lift, since the use of the lift has been widely accepted and high-speed development. At present, the domestic production of electric lift electric lift, product model different lifting height of 4 meters, 6 meters, 18 meters. Selection of foreign hydraulic pump system, hydraulic system, explosion-proof equipment and hydraulic self-locking device. With novel design, reasonable structure and lift balance, simple operation, easy maintenance and other irreplaceable advantages. Widely used in plant maintenance, industrial installation, equipment maintenance, property management, warehousing, aviation, airports, ports, railway stations, mechanical, chemical, pharmaceutical, electronics, electricity and other high-altitude equipment installation and maintenance.