... bridge, power station, etc. We manufacture all models double girder gantry cranes, such as:1- L type ... hook, lifting capacity: 5t-75/20t.3- Double girder gantry crane with hook, lifting capacity: 200t ... -500t.4- U-Leg double girder gantry crane with hook, lifting capacity:10t ... hook for project, lifting capacity: 10t-60t.6- Double girder gantry crane with hook for project, lifting ...