· Cement Mills And Raw Mills For High Throughput Rates Homecpus what is a vrm. Vrm full form in cement. Loesche worked with renk to develop the compact planetary electrical cope drive due to the high power requirements of the lm 7044 cs mill. Full form function and importance in cpus and gpus. The order was for two vertical roller mills vrm one type lm 604 for grinding cement raw .