CHARACTERISTICS OF DUTY-grain products and foreign substances used to parse. The slope and the vibration of the frame can be adjusted as desired. -Low energy consumption, high performance, high capacity, and low maintenance Easy-to-frame high capacity can be adjusted between -2 ° and 12 ° is used for all kinds of cereals. -Continuous and long-lasting,-Easy and quick screen change, practical cleaning, hygienic working conditions-quiet operation.