The Yomiuri Shimbun

1:00 JST, August 16, 2025

Major trading house Mitsubishi Corp. on Thursday announced it will invest about $600 million (about ¥88 billion) to acquire a 30% stake in a copper mine development project in the western U.S. state of Arizona.

Mitsubishi hopes that the mine will be operational in around 2029. It will be the first time in 45 years for the company to take part in developing a copper mine in the United States. Mitsubishi hopes the project will help the company provide a stable supply of copper, which........

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