Outside of edge case graphics IP that Nvidia/AMD own, the biggest wall for any corporation is priority on bleeding edge node processes. Apple, followed by AMD takes the lionshare from TSMC, which is the current leader in terms of fab process quality. Its would be harder for TSMC to trust some chinese firms due to political world tensions.
That and one of the biggest requirements for a gpu is having a really deep driver and software team.
Outside of edge case graphics IP that Nvidia/AMD own, the biggest wall for any corporation is priority on bleeding edge node processes. Apple, followed by AMD takes the lionshare from TSMC, which is the current leader in terms of fab process quality. Its would be harder for TSMC to trust some chinese firms due to political world tensions.
That and one of the biggest requirements for a gpu is having a really deep driver and software team.