Technical Features:

(1)The rubber balls are used for keeping the screen surface clean, and it is convenient for seed change, screen replacement and machine cleaning.(2)The self-regulating structure of the double sieve boxes can improve the stability of machine operating.(3) The air flow can be adjusted by changing the fan speeds to simplify machine structures and keep stable and easy adjustment.(4)The base slab structure of the screen can be transferred for improving grading capacity. (5)The vibration frequency of the screen can be adjusted, and the productivity and separating rate can be adjusted as required.