Sumitomo Metal Mining's Toyo Smelter & Refinery Achieved The Copper Mark

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Sumitomo Metal Mining Co., Ltd.

Dec 16, 2025

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Sumitomo Metal Mining Co., Ltd. (TSE: 5713) is pleased to announce that its Toyo Smelter & Refinery (Saijo City, Ehime Prefecture, Japan) has achieved The Copper Mark as of November 18, 2025.

The Copper Mark is an international framework established by the International Copper Association in 2019 to assure responsible production practices in the copper industry from the perspectives of environment, social, and governance (ESG). The initiatives undertaken at the Toyo Smelter & Refinery were objectively evaluated as meeting internationally recognized high standards for ESG, leading to the acquisition of this certification.

Please check the below PDF file for details.

Sumitomo Metal Mining's Toyo Smelter & Refinery Achieved The Copper Mark

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About Sumitomo Metal Mining Co., Ltd.

430 years of history. SMM contributes to society by leveraging the Sumitomo Business Spirit handed down over many generations and the technology we have refined over many years.

Contact Information

Sumitomo Metal Mining Co., Ltd.

Address 1: Tokyo
Country: Japan
https://www.smm.co.jp/en/corp_info/

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Business

Published on

Dec 16, 2025

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