Since early April, China has stopped almost all shipments of critical minerals that are needed for cars, robots, wind turbines, jet fighters and other technologies.

The United States allowed its rare earth metals industry to move to China and could now face severe economic disruption as China limits crucial supplies.

Beijing has high hopes for its C919 single-aisle jet after years of delay, but the plane depends on engines, avionics and other gear from Western…

Just two-and-a-half weeks after agreeing to suspend tariffs, both countries are using export controls to disrupt each other’s key industries.

European companies operating in China say the market has become increasingly challenging because of weak economic demand and opaque government rules on business.

China’s halt this month on exports of magnets containing heavy rare earth metals has affected Tesla’s plans to manufacture Optimus robots.

Enormous investments in factory equipment and artificial intelligence are giving China an edge in car manufacturing and other industries.

CATL, the world’s largest maker of batteries for electric vehicles, described breakthroughs that could make E.V.s more competitive with gasoline-powered cars.

The United States accounted for only 3 percent of China’s natural gas imports last year. Those purchases could now dry up entirely in the trade…

China seized mines and built factories. Japan took note and invested in Australia. But the United States did little despite concerns about control of supplies.