https://techcrunch.com/2022/09/02/china-us-nvidia-export-ban/ > Nvidia, the world’s largest maker of artificial intelligence chips, is at the heart of a new round of U.S. tech sanctions targeting China. > Nvidia noted in an SEC filing that the U.S. government had imposed new export restrictions on two of its most advanced AI chips to China, its second-largest market after Taiwan making up 26% of its revenues in 2021.