> but doesn't China use TSMC chips too? Does the mainland even have a fab that could compete? China had alternative, slower but 100% domestic produced chips. S

> but doesn't China use TSMC chips too? Does the mainland even have a fab that could compete? China had alternative, slower but 100% domestic produced chips. See https://www.anandtech.com/show/15493/hygon-dhyana-reviewed-chinese-x86-cpus-amd https://www.anandtech.com/show/15493/hygon-dhyana-reviewed-c... Also SMIC directly competes with TSMC and was engineered by the basically the same team of TSMC people.