Main Uses 
    The machines are applicable to grade of dry powder granules materials in pharmaceutics, chemical industry, foodstuff industry, etc. 

Characteristics 
    The machine consists of the vertical vibrating motor, a sieve bottom, a mesh frame, screening room, the rubber vibrating bowl. This machine can be used for single layer or multiple layers grading. 

Advantage 
    Compact structure, convenient operations and maintenances, stable running, low noise, large quantities of materials-treating, good fineness, strong applicability, etc.