| Sumitomo resumes production at Madagascar's nickel project | ||
| Reuters - October 31, 2024 | ||
| MP Materials and Sumitomo Corp. strengthen rare earth supply in Japan | ||
| February 21, 2023 | ||
| Newmont welcomes Sumitomo as valued partner at Yanacocha | ||
| June 20, 2018 | ||
| Sierra Gorda Mine begins commercial production | ||
| July 1, 2015 | ||
| Rio Tinto sells its majority share in Australian coal mine | ||
| October 29, 2013 | ||
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