MDG type electric hoist gantry crane is supporting the use of CD, MD and so on kinds of electric hoist, it is a kind of of small and medium-sized crane with rail operation, the suitable weight is 5 ~ 10 t, applicable span is 12 ~ 30 meters, working environment temperature: In the range of - 20 degree - + 40 degree. This product is a regular crane, widely used at open ground and warehouses loading and unloading or grabbing materials. The product has ground controlling and room controlling two forms.