“China banned the export of gallium, germanium, antimony, and industrial diamonds to the U.S., in response to U.S. trade and investment restrictions on Chinese technology companies. Though tit-for-tat tariffs occasionally lead to bilateral trade agreements, protectionism is more frequently a response in kind. China’s rare materials ban is the latest such response in the ongoing U.S.–China semiconductor trade war.”
…
“The technological trade war reduces the productive and military capacity of both countries, not just China. Technonationalism harms American and Chinese consumers, hinders economic growth, reduces cross-cultural cooperation, and makes aggression more attractive.”
https://reason.com/2024/12/04/china-goes-tit-for-tat-over-u-s-chip-bans