1939 definitive solution to the 50-year-long smoke damage problem 1950 (company name changed to the current Sumitomo Metal Mining in 1952) 1960 (absorbed by SMM and made the Electronic Metal Division in 1966)Corporate Profile22Sumitomo Metal MiningCompany History and Historical ContextFounding of the Tokugawa shogunateOutbreak of the First World WarGreat Kanto EarthquakeGreat DepressionOutbreak of the Second World WarElectrolytic nickel trade liberalizationElectrolytic copper trade liberalizationNixon shockAdoption of a managed floating exchangerate system for the yenFirst oil shockPlaza AccordStart of the Japanese economic bubbleBursting of the Japanese economic bubbleOutbreak of the Gulf War9/11 terror attacks in the U.S.Kyoto Protocol comes into forceRapid development of the Chinese economy 2004-2007Global financial crisisGreat East Japan EarthquakeParis AgreementSDGs adoptedCOVID-19 outbreakKey Events around the World1603 江戸幕府開設1914 第一次世界大戦勃発1923 関東大震災1929 世界大恐慌1939 第二次世界大戦勃発Completion of a neutralization plant at the Shisakajima Smelter and Establishment of Besshi Mining Co., Ltd. Establishment of Tokyo Electronic Metal Co., Ltd.1961 電気ニッケルの貿易自由化1963 電気銅の貿易自由化1971 Completion of the Toyo Smelter & Refinery1971 ニクソンショック 円の制限付変動相場制実施1973 Closure of the Besshi Copper Mine and Kounomai Mine1973 第一次オイルショック1983 Opening of the Hishikari Mine (start of ore production in 1985)1985 プラザ合意 1986 owned by Phelps Dodge Corporation (currently Freeport McMoRan Inc.)1986 バブル景気1991 バブル崩壊1993 Conversion to the MCLE method at the Niihama Nickel Refinery 湾岸戦争勃発1999 Criticality accident at the Tokai Division of JCO Co., Ltd.2001 Start of full-scale production of automotive battery materials at the Isoura Plant (Ehime Prefecture)2001 米国において同時多発テロ発生2005 Equity investment in the Cerro Verde Copper Mine development project (start of production in 2006)2005 京都議定書発効 Equity investment in the Morenci Copper Mine (Arizona), Start of commercial production at Coral Bay Nickel Corporation (Philippines)2008 リーマンショック20112012 Expansion of hybrid vehicle rechargeable battery material (nickel hydroxide) production facilities2013 Start of production at Taganito HPAL Nickel Corporation (Philippines)2014 Start of increased production of EV rechargeable battery material (NCA)2016 Acquisition of an additional interest in the Morenci Copper Mine (Arizona, USA) Acquisition of an interest in the Côté Gold Mine (Canada) development project 2017 (start of production in 2024)2019 Acquisition of an interest in the Quebrada Blanca Copper Mine (Chile) (start of production in 2023)2020 Announces Support for TCFD2024 Completion of the Niihama CAM Plant, Battery Materials Div.20152020Events at SMM1590 Soga Riemon starts a copper smelting and coppersmithing business in Kyoto, the forerunner of SMM1691 Opening of the Besshi Copper Mine1905 Construction of a copper smelter on Shisakajima Island1918 Start of operation of the Kounomai MineThe history of SMM has unfolded in a context created by broader historical currents. While drawing inspiration from our history spanning 430 years, we continue to evolve in response to the changing needs of the era.A Company History Shaped by the Era
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