Private company

Onahama Smelting and Refining

Onahama Smelting and Refining is a Japanese company based in Tokyo, founded in 1963.¹

小名浜製錬株式会社（おなはませいれん）は、福島県いわき市に製錬所を持ち、銅の受託製錬を行う企業。三菱マテリアルの100%子会社であるが、2023年3月まではDOWAグループと古河機械金属グループも出資していた。² From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Dec 1963Founded¹

HeadquartersTokyo, Japan¹
Websitegroup.mmc.co.jp/osr

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Timeline

Dec 1963Founded Founded¹

Links

Websitegroup.mmc.co.jp/osr¹
WikidataQ11459335

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataOnahama Smelting and Refining on Wikidata
2
WikipediaOnahama Smelting and Refining on the Japanese Wikipedia