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L-shaped single-girder gantry crane is a kind of lifting equipment. It supports the lifting mechanism and hook by a beam across the working area, and is shaped like an "L". This structure allows the crane to have a larger working range and higher working height. It has efficient material handling capabilities that increase work efficiency and productivity.
link:https://www.kinocranes.sg/overhead-crane/20-ton-gantry-crane.html
20 Ton Gantry Crane | Kenancranes