The curved arm lift is used for indoor and outdoor high-altitude operations. The curved arm lift platform has the characteristics of self-propelled, self-supporting legs, simple operation, convenient use, large working surface, especially the ability to cross certain obstacles or perform multi-point high-altitude operations in one place. It is widely used for large-scale operations in highways, docks, shopping malls, sports venues, residential property management, factories and mines. The power can be selected from diesel engines, batteries, and diesel electric dual-use