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Lab Grate Mill is provided for mineral processing research organization and pilot plant for continued grinding operation,and study and determination of indexes of ore grindability in tests of mineral feasibility study,It also can be provided for beneficiation plant as grinding equipment or other industries as fine material grinding equipment.The equipment include Ball Mill,Spiral Classifier,Swing Feeder,Conveyor ,optional three different processes, respectively grinding:1Pre-grinding,inspection ???????? 2pre - ?????? ???? ??? ??? ???? ???????? ??? 3. ??????? ???????????.