... girder gantry crane 1.Schneider,Mitsubishi, Siemens 2.Carbon steel,Q235B or Q345B. 3.Separate driving 4.Double speed Double girder ... gantry crane1.Schneider,Mitsubishi, Siemens 2.Carbon steel,Q235B or Q345B. 3.Separate driving 4.Double speed .MG type ... is according to national standard.Adopts high quality carbon steel, Q235B or Q345B.The end truck adopts 10.9 high strength ...