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'Several indicators suggest that the quality of Chinese research is improving. Between 2012 and 2021, China’s share of the top 1% of the most-cited papers grew by 40%, while the US’s share dropped by 18%. The US is still ahead, according to Clarivate’s data, but the gap is narrowing, and other estimates suggest that China has already overtaken the US.'
@cyrilpedia
"In 2021, China went from being a net exporter to a net importer of scientists, helped in part by restrictions in G7 countries on Chinese students working in strategically important sectors such as AI. “The US government’s various initiatives have inadvertently boosted Chinese Stem researchers’ returning home,” says Yu.
One may hope that openness & mutual benefit prevails, but it's not foregone. (Survey: >80% papers I read have >1 Chinese author.)
See also
https://www.newyorker.com/magazine/2020/03/16/the-peace-corps-breaks-ties-with-china