Top Things You Need To Know About Grinding Mill Grinding mill is a device that processes materials to a certain degree of fineness. Grinding Mill can be divided into ultrafine grinding, fine grinding and coarse grinding according to the fineness of the material and the fineness of the material. It is suitable for the grinding of mineral products in the fields of metallurgy, building materials, chemical industry and mine. According to the different working principle and structure of the mill, the common grinding equipment has vertical roller mill, Raymond mill, ultrafine mill and so on, users can choose flexibly according to the different demand of production and fineness.