Which is a light and small crane machinery, which can be fixed on single or double girder, bridge crane, portal crane and hanger crane. It is often used in factories, mines, docks, ports, storage houses, workshops etc., which is the necessary machinery to raise labor productivity and improve working conditions.
 
 
The lifting speed of CD1 type is general speed, it can satisfy the Requirent of general use; The lifting speed of MD1 type has two lifting Speed- general speed and slow speed. When worked in slow speed, it can satisfy the requirement of precision loading and unloading, examine and repaire machine tool etc precision work. Therefore, the useful scope of MD1 is wider than CD1 type.