MDG type single girder gantry crane MDG type single girder gantry crane is in particular suitable for the turning operation of long materials hoisting ,in which a trolley travels along a single girder for reverse rolling horizontally or vertically and sate inverse hooks so as to insure the safety and reliability of operation. Crane equipment Electric hoist,trolley,traveling crane,Electric Hoist, Double-Girder Crane ,LD type electric single beam crane, QD type universal bridge crane,electric hoist, explosion-proof crane, metallurgical cranes and other lifting equipment,gantry crane,road and bridge crane single girder electric suspension crane