Winch hoist has the following advantages: Because hoist winch through a reduction gearbox and reduction gear, the deceleration process more speed ratio sometimes passed the pulley for magnification, so you can get bigger. Kai door force for larger orifice size and head gates. Rope wrapped around the rope drum, generally single wound, but also multi-layer winding, so travel hoist winch virtually unlimited, easy to open the floodgates with a large Muslim lines or deep gate. Direction of the force can be appropriately rope swing, you can also change the direction of the force through the steering wheel attached buried therefore with gates and hoist, with greater flexibility. When using electric, opening and closing speed, and often apply to emergency gate opening and closing the gate. www.hsmingyu888.com