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Box Type Double Girder Gantry Crane is a cost-effective alternative wherever the installation of bridge cranes is impractical due to a need for a raised runway structure. They are also an ideal supplement to bridge cranes at the workstation level. It can lower the investment on structure and space.
link:https://www.kinocranes.sg/gantry-crane/gantry-crane-by-capacity/fixed-gantry-crane.html
Fixed Gantry Crane | Kenancranes