Koppern Equipment, Inc. manufactures roller presses and related systems for briquetting, compaction, and comminution (high-pressure grinding) of mineral materials. Since 1898, Koppern has been continuously improving its products and expanding their use in industries such as fertilizer, mining, waste processing, coal, cement, slag, lime, and others. Koppern's worldwide sales and service centers are in close proximity to its clients. Material testing is done in test laboratories in Germany, Australia, and the United States.