Electric winch, most of time, follow-operated by people on the ground, also can operate in the room, or operate with wireless type with far way, except exclusive-use, also can match-use with electric trolley and plain trolley, geared trolley, these trolleys with simple structure, light weight, easy to load and unload, can use like this forever, but also can be used temporarily,

Be widely used in port, workshop, warehouse, construction and many kinds producing-line, so is necessary equipment for lifting goods, raising labor efficiency, improving working conditions.