Below is a list of Flexible Conveyors manufacturers from Cedar Rapids, Iowa. Flexible conveyors, in the context of screw conveyors, are materials handling equipment that contain a large screw located inside of tubular housing. When the screw is turned by a motor, it draws the material into the housing, where it rotates along the thread and is transported up the length of the screw. Flexible conveyors are characterized by their flexibility compared to other conveyor varieties.