In most instances, the trolley and hoist run on a rail installed on top of the bridge girders. Double girder cranes can be either top running or under running
Also referred to as bridge cranes, suspended cranes or overhead traveling and distribute single and double girder top or under running overhead cranes,
Among the new overhead cranes it sells are top running single girder, top running double girder, underhung, monobox, gantry cranes, jib cranes, and monorails.
