China bans exports to US of gallium, germanium, antimony in response to chip sanctions

FILE - A Chinese official walks by a China and U.S. national flags ahead of a meeting between Chinese and U.S. negotiators at the Ministry of Commerce in Beijing, Aug. 28, 2023.

China announced Tuesday it is banning exports to the United States of gallium, germanium, antimony and other key high-tech materials with potential military applications, as a general principle, lashing back at U.S. limits on semiconductor-related exports.