STMNF

Sumitomo Metal Mining Co., Ltd., together with its subsidiaries, engages in mining, smelting, and refining non-ferrous metals in Japan and internationally. It operates through three segments: Mineral Resources, Smelting & Refining, and Materials. The company provides metal products, including copper, nickel/cobalt, gold/precious metal, and others; battery materials, such as nickel hydroxides, lithium nickel-cobalt-aluminum oxides, and lithium nickel manganese cobalt oxide; and crystal materials, including lithium tantalates/lithium niobates, optical isolators, faraday rotators, and substitute gallium gadolinium garnet.