Plastic sheet retractor is a low speed and high traction device which is powered by electrical motor to power various ropes.
It is mainly used in the plastic sheet covering traction in the tidal land of salt industry.
Machine images

Plastic sheet retractor3
Plastic sheet retractor4

It can also be used for low-speed traction and hoisting in other industries. The reducer can be used separately as a shifting mechanism for some equipment with large gear ratio.