These mobile lifts are more economical creations for high-altitude working conditions after scaffolding. Therefore, this type of machine can accompany the development of human society and make rapid progress to meet more usage requirements and working conditions: engineering construction installation, maintenance, wall painting, indoor and outdoor roof accessories installation and maintenance, etc. In addition, airports, stations, docks, hotels, convention centers, factories and other environments often require these aerial work platforms to lift operators to work at heights.