Summary: The US and South Korea have called on China to use its influence over Russia and North Korea to prevent escalation after Pyongyang sent thousands of troops to Russia to aid Moscow’s war against Ukraine. China has remained silent on the move, despite its “no limits” partnership with Moscow and major ally status with Pyongyang. Experts suggest Beijing might disapprove of the closer military partnership due to its destabilizing nature and potential impact on its goal for a peaceful Korean Peninsula.
That is not the only reason. You seem to forget the fact that American businesses couldn’t get the chips they needed during COVID due to the supply chain issues. That was the original reason why there was a call to open fabrication plants in the first place.