China’s cyberspace regulator said Thursday that it had summoned representatives of U.S. tech giant Nvidia to explain alleged security vulnerability risks involving its highly sought-after H20 artificial intelligence chips.

While Nvidia has been given assurances by Washington that it will be allowed to resume exports of its made-for-China H20 general processing units, the AI chips may be met with increased scrutiny from

China raised concerns over potential security risks in Nvidia's H20 artificial intelligence chip, casting uncertainty over the U.S. company's sales prospects in China weeks after a U.S. export ban was reversed.