Story by David Pierson, Keith Bradsher and Ana Swanson

HONG KONG — China said on Tuesday that it would begin banning the export of several rare minerals to the United States, an escalation of the tech war between the world’s two biggest powers. The move comes a day after the Biden administration tightened Chinese access to advanced American technology.

The ban signals Beijing’s willingness to engage in supply chain warfare by blocking the export of important components used to make valuable products, like weaponry and semiconductors.

Sales of gallium, germanium, antimony and so-called superhard materials to the United States would be halted immediately on the grounds that they have dual military and civilian uses, China’s Ministry of Commerce said. The export of graphite would also be subject to stricter review.

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https://www.msn.com/en-us/news/world/china-announces-a-ban-on-rare-minerals-to-the-u-s/ar-AA1vbk7y