... material, fireproof material,chemical,fertilizer, black and nonferrous metal,glass,ceramics and etc.Our ball mill can grind ore or other materials ... then enters intothe second warehouse for regrinding with the steel ball and scaleboard. In the end,the powder is discharged by ... grinding machines, including energy saving ball mill,overflow ball mill,grid ball mill,rod mill,raw mill,and so on. Besides,we ...