... the power of screw conveyor2,The quantity of hopper can be designed as required3,All above specifications ... the power of screw conveyor2,The quantity of hopper can be designed as required3,All above specifications ... the power of screw conveyor2,The quantity of hopper can be designed as required3,All above ... the power of screw conveyor2,The quantity of hopper can be designed as required3,All above ...