Overhead Bridge Crane

We have three types Overhead Bridge Crane:

A.1 ton to 20 ton LD model Single Girder Bridge Crane:

B. 5 ton 50 ton LH Model Electric hoist type Double Girder Bridge Crane:

C. 5 ton to 550 ton QD Model Heavy duty Double Beam Bridge Crane:

If you want to order the Bride Crane, Pls tell me which one model bridge crane and the details as follows:

1. The Max. lifting capacity? (Ton)

2. The span of bridge crane?(the distance of rail to rail center)

3.The Max. lifting height of hook? (or total height of crane)

4. The power source standard?(380V, 50Hz, 3phase or others)