Personal Opinion:
The Chinese government is facing a serious engineering crises. If the dam holds, great. But right now they are having to flood down stream and flush away a LOT of agricultural land that was nearing harvest. They are already net importers of food … ie, not food self-sufficient. That puts them in the position of having to rely on the very hands they have been stealing from just to survive. In the meantime, the US is ramping up its high-tech independence by reopening rare earth mines / processing facilities and by bringing board fab back to CONUS. Someday we may even make our own shoes and underwear again.
The (hard) way forward is to reduce the Chinese population to match the remaining land without being obvious about it. I feel pretty safe in assuming that those numbers have already been crunched.
Meantime, Kim Jong Un is making a big deal about a single CV patient coming from SK. That's a signal, I think, that he would not welcome a mass influx of Chinese refugees (even if they bring their own food, fuel and women). Someone mentioned that the Chinese have a vast territory that is lightly settled to their west that could hold refugees from the downstream plains and cities. But that would just be a hidden away place to starve to death or, in a few months, freeze.
China is sitting on a huge pile of gold. That gold may be needed sooner rather than later.
It is also looking to make a territory of Australia (dig into Australian politics and see if you don't come to this same conclusion. There is already a 5th column arguing in favor of this.)
China has deep claws into the economic life of Africa and Latin America and, via its ownership of the Panama Canal, world commerce.
Just jaw-boning. Not an expert in any of this, but this is what the current picture regarding the current emergency in China looks like to me. IF THE DAM HOLDS, this is just a blip in the overall goal of being the final world superpower (the UN is just a tool to be used and discarded.) If it holds, it sets them back maybe a couple years. If it fails, it may doom their empire interests for (at least) the balance of this generation.
I haven't bought consumer electronics in years … where are their microchip fab plants? Much of their wealth comes from their dominance of that industry.