[branchan]

That is definitely not how China would enforce it.

You need a Starlink terminal in order to communicate with the satellite. China will most likely just block the sales of Starlink terminals in the country if they want to enforce a ban.

[jfrankamp]

That seems reasonable, but easier still is putting your thumb on the Gigafactory 3 from Tesla. As long as Tesla understands that things will go smoothly as long as Starlink happens to not work there, it won't.