Gantry Cranes

We manufacture all kinds model gantry cranes, like:
MH model single girder gantry cranes, Capacity: 1- 32tons
MDG model single girder gantry cranes, capacity: 1- 50/10tons,
MG model double girder gantry Cranes, capacity: 1- 660/250/50tons
L Model single girder gantry cranes, capacity: 5- 32/5tons,
BMH model single girder hoist type Semi gantry cranes, capacity: 2-10tons
MGH model double girder winch type semi gantry cranes, capacity: 5- 200/50tons.

If you want to order the gantry cranes, pls tell us:
1- Lifting capacity ?
2- Span
3- Single girder type, or double girder type ?
4- lifting height ?
5- model