1.Double girder overhead crane with ISO is the used widely hoisting machinery currently.

2. Double girder overhead crane with ISO contains box-shape bridge,crane crab,trolley traveling mechanism and electric control system

3.The load handling device is the hook

4. The rail is laid on the girder to make the crane crab to move transversely.

5. The girder of double girder overhead crane with ISO is weld with box-shaped end girder.At the middle of the end girder are joints which are fastened with bolts for fragment transportation of bridges.

6. The platform is used to place trolley traveling mechanism,electric equipment and used for repair

7. Double girder overhead crane with ISO can be furnished with load handling devices such as motor grab,electromagnetic chuck to meet the requirements of hoisting varied types of materials