Metso Minerals will supply grinding and flotation equipment to Ural Mining and Metallurgical Co’s (UMMC) Gaisky copper mine. The value of the order is over €20 million and comprises two SAG mills of 5,000 kW each, two ball mills of 4,100 kW each and 17 RCS (Reactor Cell System) flotation cells, complemented by installation and commissioning support services. Metso’s solution is for the processing plant of the Gaiskoe, Osennee and Letnee deposits development project in the Orenburgsky region in the southern Ural mountains. The deposits’ estimated resources amount to some 300 Mt of sulphide ore. Once in operation, the estimated annual throughput of the process plant will be 8 Mt/y of ore per year. UMMC is one of the largest Russian mining and metallurgical companies, producing an estimated 40% of Russia’s copper.