1.MH model electric single girder gantry Crane is used together with CD1,MD1 electric hoist. 2.It is a track traveling small and medium-sized cranes.　　　 3. Its proper lifting weight is 2 to 16 tons,and proper span is 5 to 35 meters. 4. Its proper working temperature is -20--+40 centigrade. 5.This product is a regular crane widely used in workshop, storage, port and hydroelectric power station and some other outdoor place, where it has a low frequency or few lifting times. 6. It has two controlling methods namely ground controlling and cabin controlling.