As one of the important manufacturers in cement industry in our country, our company starts the equipment technology development of roller mill in recent years. With the development of enterprise equipment industrialization, the research and development of roller mill has entered a rapid development period. The roller mill developed by our company can be used in grinding of raw meal, cement and slag for cement clinker production line ***0t/d，***0t/d，***0t/d，***0t/d，***0t/d，***0t/d，***0t/dand***0t/d. Among them, the slag mill can be used for slag meal production line *****0t/a, *****0t/a, *****0t/a, *****0t/a and *****0t/a. It includes intermediate crushing, grinding, drying, separating and conveying etc. processes, with features of simple process, good drying, bigger feed size and high grinding efficiency etc..