... conveyer 1.New type of transporting equipment; 2. Use rotary scew vane to push materials continuously. 1, ISO9001 2,New type ... of transporting equipment 3,Use rotary scew vane to push materials continuously Features and Merits: 1,Obtained ... Certification. 2,New type of transporting equipment 3,Use rotary scew vane to push materials continuously 4,Compact structure,small cross ...