Committee member presses Mr. Black on Cerro Verde cobalt processing, warns China dominates refining

Jul 15, 2026

During a House Committee on Foreign Affairs hearing, a Committee member demanded to know where cobalt from the Cerro Verde project would be processed, asserting that China holds a near-monopoly and claiming it accounts for about 95% of refined commercial-grade cobalt processing capacity; the witness disputed parts of the question’s framing.

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At a hearing before the House Committee on Foreign Affairs, a Committee member repeatedly pressed a witness identified in the record as Mr. Black over where cobalt from the Cerro Verde project would be processed and raised concerns about reliance on Chinese refining capacity.

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