Certainly no more heavily than the US polices its own "assets" - we also have export controls on inferencing hardware, review periods on frontier model releases, export bans on Fable/Mythos, etc.

It's pretty evident from their actions that China doesn't consider this an arms race in quite the same way a lot of the US crowd does. Rather it's an economic conflict: one in which flooding the market with cheap inference might bankrupt a bunch of over-leveraged US tech firms (and in doing so put serious brakes on the whole US economy)