Engineering generally use Erecting bridge crane, it mainly use double girder gantry crane. According to the different construction environment, the gantry crane is designed with two main girder structures, box structure and truss structure. The trussed gantry crane general used in the open area, it can reduce the stress of the crane area, convenient for stability. For some workshop with frequent homework and higher weigh, using the box structure.
Related products: 1.Boxed type gantry crane   2.Trussed type gantry crane