Sumitomo Metal Mining

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==Izumiya==
===1590–1927===
==Sumitomo Besshi Mining Company==
===1927–1937===
==Sumitomo Coal Mine Company==
===????–1937===
==Sumitomo Mining Company==
===1937–1946===
In 1937, the Sumitomo Besshi Mining Company and the Sumitomo Coal Mine Company merged to form the Sumitomo Mining Company.
==Ika Mining Company==
===1946–1950===
==Sumitomo Metal Mining==
===1950–2019===
===2019–present===
Sumitomo Metal Mining Japanese variant.png|Japanese variant
Category:1590
Category:1927
Category:1950
Category:Sumitomo Group
Category:Tokyo
Category:Japan
Category:Steel companies
Category:Steel
Category:Mining