vertical roller mill - Cement industry news from Global Cement. The order was for two vertical roller mills (VRM): one type LM 604 for grinding cement raw material and one LM 704+4 CS, the biggest Loesche VRM built for grinding cement clinker Loesche worked with Renk to develop the Compact Planetary Electrical (COPE) drive due to the high power requirements of the LM 704+4 CS mill This mill ...