The machines are applicable to grading of dry powder and granules in phymacy, chemical industry, food industry, etc.
The machine consists of vertical vibrating motor, shifter bottom, shelf of net, screening mesh, the rubber flaps as a whole. The machine can be used for single layer or multiple layers. The structure is tight, operation and maintance are convenienct. There is low noise when running. And it can deal with large numbers of materials and the fineness is ultral high.