Since 1961 Loesche mills have been successfully used in the ore industry. 1961 Delivery of the first mill for phosphate rock, LM 12.20, Japan 1967 Commissioning of a Loesche mill, LM 12/850, for comminution of magnesite, Mitsuhahmi, Japan 1973 Delivery of the first Loesche mill for comminution of manganese dioxide, LM 9/760, Thessaloniki, Greece