Features and benefites After the first crushing,the ball mill is a key equipment for regrinding,it is widely used for the cement,the sllicale product,new type building mkaterial,fire proof material,chemical fertillzer,black and non ferrous metal,glass,ceramics and so on,our ball mill can grind ore or other materials that can be grinded elther by wet process or by dry process. shanghai golden shanghai golden shanghai golden alibaba