... processing of rare earth metals Rare earth metals are a key component for high-tech industries, including the production of electronics, batteries and equipment for renewable energy. Increasing production: UMMC is developing new deposits of rare earth ... ... Lack of public status Ural Mining and Metallurgical Company (UMMC) is not a public company, which means that its shares are not traded on stock exchanges such as Moscow or St. Petersburg. This limits the ability of private investors to directly participate ...