MH Model Electric Hoist Gantry CraneMH mode Electric Hoist Girder Gantry Crane is used together with CD MD Model Electric hoists.It is a track track traveling small and medium-sized crane. Its proper lifting weight is 5 to 32 tons proper span is 12 to 30 meters its proper working temperature is -20 degree to 40 degree.This product is a regular crane widely used at open ground and warehouses to load, unload or grad materials. It has 2 controlling methods, namely ground. controlling and room controlling.