Gantry cranes are usually iron and steel, rolling, building and steel construction sectors, especially in enclosed areas related to the storage, handling, loading, and it is a type of crane used in similar jobs. Has been designed to carry the load of two beam, supported by columns at regular intervals on the fixed time interval or materials placed on NPU-profile NPI profile rails are formed due to the way overhead crane will move. Single girder and double girder bridge can be made. Lifting group, walking group and the bridge group bridge consists of three main groups. This type of cranes can be made in four different hiking trails electrical installations. These are the supply system cable trolley, cable drum feeding system, an indoor bar and an outdoor bar feed systems. According to customer requirements, and to the extent we have created different standards have been manufacturing overhead cranes with lifting capacities.