Flexible screw conveyor: The gradually adaptable is the flexible screw conveyor, which is also called winding conveyor. This is usually process specific and must be uniquely made after considering different parts of the activity that uses it. It can transfer material on the horizontal plane, at all edges and even in the vertical direction. The two fixing screws and flexible sorting are effective, and easy to introduce and work.http://www.itobmac.com/earth-m....oving-machinery/back