This kind of hoists are designed by adding remote control equipment to the original operation method which resolved such problems as the movement scope is limited. They are of the following features:1)to improve work efficiency. The remote controller is not limited by the handle wire but carried with the operator so as to operate at any time in the effective distances;2)the operator can choose the best position to control the electric hoist so as to avoid working in the place where the visibility is poor and the pollution is severe as well as to protect the operator against harmful gas.
