Basically. The US has asked countries with cutting edge Fab. To refrain from selling tech to China.
Also No more can China Fab 10nm. The US is only allowing China to Fab upto 14nm.
The US has reached out to Holland and Japan. And companies inside the US.
www.bloomberg.com/news/articles/2022-07-29/us-pushes-expansion-of-china-chip-ban-key-suppliers-say
h/t Hyper Star