MP Materials (MP) said Thursday it has halted shipments of rare earth concentrate to China as a response to China's retaliatory tariffs and export controls.
"Selling our valuable critical materials under 125% tariffs is neither commercially rational nor aligned with America's national interest," the company said in a statement.
The company said it has invested almost $1 billion to brink the full rare earth supply chain in the US, with its California refinery processing nearly half of its production.
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