The lift arm series has the advantages of compact structure, using a new type of high-quality steel, high strength, light weight, direct access to AC power to start, set up fast, automatic hydraulic support feet, can quickly set up safe and simple operation. The working table can be raised and the horizontal extension span is large, and the working area is increased; and the platform can be rotated. Easy to cross the obstacles and reach the working position, is the ideal equipment for climbing. The transportation is convenient, direct fast trailer