This series gravity destoner machine is also a destoner machine for removing the materials inside stones, a gravity destoner machine, mainly used in the flour mill factories, the rice processing factories, also the oil press processing factories. Professional used for cleaning and grading the wheat, paddy rice, peanuts, corn, and soybeans seeding. Featuresï¼? 1) It can be used for removing the grain materials inside stones, and also can clean inside dust, can deal with various kinds of materials like rice, wheat, corn beans and others. 2) combined cleaner and destoner machine, high working efficiency,with high quality. 3) Automatic and semi-automatic optional. 4) 24 X 365 hours service.