Charateristic:
light -small lifting equipment with advvantages of tight structure .light weight,small value .wide commom use and convenient operation.

Applicatin:
widely used to hoist heavry objects or installed on the straight .thery can also be used togerther with the elecric hoist double-girdar,gantry crane and slewing cranes.All the above has made the electric hoists common in dustrial and mines enterprises  railways ,wharfs and ware houses.