Upper Rotation Container Gantry Crane lifting section can do 270 ° rotating to place container at any angle, can also be longitudinal and transverse walking on a fixed track as same as Rail-mounted Container Gantry Crane.
http://www.craneus.com/Container-Gantry-Crane/Upper_Rotation/Upper_Rotation_Container_Gantry_Crane_62.html
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