Sumitomo Metal MiningCorporate Profile23Corporate DataHishikari Mine3844, Hishikari-Maeme, Isa, Kagoshima 895-2701, JapanMaterials BusinessOme District Div.1-6-1 Suehiro-cho Ome, Tokyo 198-8601, JapanResearch & DevelopmentNiihama Research Laboratories17-5, Isoura-cho, Niihama, Ehime 792-0002, JapanToyo Smelter & Refinery145-1, Funaya-Aza-Shinchi-Otu, Saijyo, Ehime 793-0005, JapanMaterials BusinessIsoura Plant17-3, Isoura-cho, Niihama, Ehime, 792-0002, JapanResearch & DevelopmentMineral Resource & Hydrometallurgy Process Center5-1, Nishibara-cho 3-chome, Niihama, Ehime 792-8555, JapanSmelting & Refining BusinessNiihama Nickel Refinery5-1, Nishibara-cho 3-chome, Niihama, Ehime 792-8555, JapanMaterials BusinessNiihama CAM Plant16-9, Isoura-cho, Niihama, Ehime, 792-0002, JapanResearch & DevelopmentBattery Research Laboratories17-3, Isoura-cho, Niihama, Ehime 792-0002, JapanSmelting & Refining BusinessHarima Refinery346-4, Miyanishi, Harima-cho, Kako-gun, Hyogo 675-0145, JapanResearch & DevelopmentIchikawa Research Center18-5, Nakakokubun 3-chome, Ichikawa, Chiba 272-8588, JapanResearch & DevelopmentMaterials Laboratories1-6-1 Suehiro-cho Ome, Tokyo 198-8601, JapanSmelting & Refining Business(As of April 1, 2025)Sumitomo Metal Mining Co., Ltd.Nobuhiro Matsumoto15901950¥93.2 billionTokyo Stock Exchange Prime Market51 (including the money held in trust which is deemed to be a consolidated company)13¥1,593.3 billion (for the year ended March 31, 2025)¥31.4 billion (for the year ended March 31, 2025)7,402 (Consolidated)Head Office11-3, Shimbashi 5-chome, Minato-ku, Tokyo 105-8716, JapanOsaka Branch5-33, Kitahama 4-chome, Chuo-ku, Osaka 541-0041, Japan (Sumitomo Building)Nagoya Branch1-10-20, Nishiki, Naka-ku, Nagoya, Aichi 460-0003, Japan (Urbannet Fushimi Building 7F)Besshi-Niihama District Div.5-3, Nishibara-cho 3-chome, Niihama, Ehime 792-8555, Japan［Corporate Data］Company namePresident & Representative DirectorFoundedIncorporatedCapitalListingNo. of subsidiaries (consolidated)No. of equity-method affiliatesNet sales (consolidated)Profit before tax (consolidated)Number of employeesHead Office/Branch/District Div.［Domestic Core Facilities］Mineral Resources Business
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