AT4 Completes Del Sol Refinery Acquisition, Advances US Critical Minerals Strategy
Oct 30, 2026
American Tungsten and Antimony (AT4) has finalized its acquisition of Nexus Metals and the Del Sol hydrometallurgical refinery in Nevada. This move establishes an operational US refinery for high-purity antimony and tungsten production, advancing its mine-to-metal strategy.
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