... dust po Seed Grinder small in size, low power waste,high efficiency, smooth runninglow noise, reliable seal, no powder ... of material and airflow.this series of products have the advantages such as compact in structure,small in size,low power waste,high ... the grinder is small in size, low power waste,high efficien ModelWDJ150WDJ220WDJ250WDJ350WDJ500WDJ550WDJ750Handing capacity(kg/h)5~7015~15020~20025~ ...