China has severely curtailed its supply of critical minerals to the U.S. in recent months, showing the American defense-industrial base

U.S. defense manufacturers are grappling with delays and soaring costs as China tightens export restrictions on critical minerals, further complicating efforts to decouple supply chains amid rising geopolitical tensions,

Umicore said on Friday that China's curbs on exports of rare earths and other critical minerals had so far not disrupted operations of the group that recycles and refines metals in both China and Europe.