Basically, the US/CA + EU + AU/NZ + JP/SK (among others).
There is no other way to restrain China's ambition to force its illiberal vision of the world on everyone else. They won't rule the Internet and tech world unless that world fully breaks down into very strict isolationism (everyone for their self). China has to depend on a divide and conquer approach, because they'll never be bigger than the world or the developed world. So long as a large enough bunch of nations stick together, even broadly, it'll be enough to impose that China follow a minimum set of guidelines.
This China is no more intimidating than the USSR was at the height of its power. The same alliances will work once again. Even the worse-than-bullheaded Trump Admin has seen the light (which is why they're rapidly attempting to settle trade disputes re NAFTA & EU).
The liberal world is not going to capitulate all of its values to appease China. That guarantees a perpetual conflict of values, which will inherently divide the world into these two large groups. China also can't out-compete and out-innovate the combined developed world, no matter what they do.
In short, China will never rule the Internet. They will only rule their Internet, as they have for a long time. They'll have to play by other terms to be part of the larger, more liberal global Internet; that more liberal Internet isn't going to change to suit China (and hasn't).