1. High efficient accurate screening---Sieving efficiency up to 90%-95%,silicone ball and ultrasonic cleaning device is high efficiency mesh-cleaning device system,the mesh aperture will not be blocked. 2. At most 6 levels separation. 3. Enclosed cleaning dust, safe operation,the acceleration is 4.5 times higher than common vibrating screen. 4. Sieving partsâ?? increases the life expectancy and reduces maintenance. 5. Low-noise,easy maintenance and simple operation. 6. Noise