This kind of sand machine is suitable for many industry departments like mining、chemical、cement、building、fireproof materials、ceramics、glass,etc. It requests the materials has compression strength no more than 100Mpa,wearing value more than 25%,humidity no more than 15%,crush value more than 30%,like coal,salt,plaster,alums,tile,lime stone,fire clay,slag,sand,Ferrous sulfide,mine,etc.