This is a gantry crane group including many single girder gantry crane, working together to lift long track rails synchronously to the train at the railway freight yard. The lift device is a monorail CD/MD hoist.

This is a gantry crane group including many single girder gantry crane, working together to lift long track rails synchronously to the train at the railway freight yard. The lift device is a monorail CD/MD hoist.