1. It has high accuracy in screening and big processing capacity.

2. It has features of low cost, simple structure and small energy consumption.

3. The equipment makes low noise and the feeding sieve has a long sevice life.

4. It is characterized by good sealing, barely no dust overflow and convenient maintenance and so on.

5. It is widedly used in mining, coal ore, melting, building material, refractory material, light industry, chemical industry and so on. Suitable for particles whose size is within 0.074—5mm and water content is less than 70%, it can screen all kinds of cohesionless materials and the maximum feeding size is no bigger than 10mm.