Rod mill has dry and wet twotypes to choose, user could choose depend on the fact. The companyuses the advanced output controllable technology, with the facemilling material set the suitable miller, change the traditionalsurface contact into line contact, make the output granularityevener, high product, widely used in chemical industry, metallurgy,glassed industry, and the high r of the evenness formilling after milling, sand making of building sand in recentyears.