In response to China’s retaliatory tariffs and export controls, MP Materials, which owns the only U.S. rare earths mine, announced Thursday they will be ceasing shipments of rare earth concentrate to China.

The company said in a statement that they have been preparing for this moment and that it reflects “a long-term vision built to withstand short-term dislocation and emerge stronger.”

The company also said that selling their “critical” materials under 125% tariffs is neither commercially rational nor aligned with America’s national interest.

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