1.shaking screener seperate big,middle,small mateirals. 2.shaking work principle 3.0.25kw Shaking screener is high efficiency and work placidly,reliable .This sifter can screen big,middle and powdered type materials .Feature of this series is quite compact,they are easy to be fixed and repair or set up.further,it is easy to change the stages of this machine,mainly use in food,feed,chemical and ...