Gantry is mainly composed of beams, columns, and protection of five parts of the chassis and guide beam, used as a lifting device of stents, two column as panlong column, image and yue gantry. Small mobile lifting gantry is my company according to the medium and small factory (company) the daily production need handling equipment and warehouse into the ship, the need of lifting heavy equipment maintenance and material transportation, developed a new type of small crane gantry. Applicable to the manufacture of moulds, automobile factories, mines, construction site, and need to lifting. Small gantry crane there are mainly two types of specifications: