They already have their own x86 chips. They’re a few generations behind the cutting edge. They’ve been catching up fast which is why the US and EU have been shitting their pants trying to wage cold war. All of a sudden ramping up the China bad narrative out of left field when not long ago they were trying to work with China rather than against them…
Much of the manufacturing difficulty we hear about with western industry is achieving highest yields possible of the most powerful chips to please ravenous shareholders demanding flawless profit gains every quarter. Capitalism problems in other words. It’s much different when your goal is merely to produce computers for government office use. You can still use old computers for the majority of computing needs.