China will do no such thing, why on earth would they help the US make a client state on it's Borders? Plus it's got a defence pact with the DPRK -Hence why it joined in the first conflict-...
China is moving large amounts of gear towards the border, possible intervention force if NATO invades?
Part of the problem is that NK thinks NATO will or even could invade. Even a cursory reading of the charter will show that is no way possible. Why would China help out SK/ US? That is a good question:
1- Money. These are China's trading partners. Exports/ Imports/ Total Trade/ Balance
European Union 356.0 211.2 567.2 +144.8
United States 324.5 122.2 446.7 +202.3
Hong Kong 268.0 15.5 283.5 +252.5
ASEAN 170.1 192.8 362.9 -22.7
Japan 148.3 194.6 342.9 -46.3
South Korea 82.9 162.7 245.6 -79.8
India 50.5 23.4 73.9 27.1
Russia 38.9 40.3 79.2 -1.4
Taiwan 35.1 124.9 160.0 -89.8
In an average month China sees more trade with the US than it sees with NK in decade. They get huge benefits from this. China loves it too. 30 years ago their people where right where the NK's are today. Life is better by several magnitudes in China these days and still improving. They have issues; but everyone has issues. Not to mention pissing off everyone else in the world they trade with by backing NK.
2- Client state /puppet state argument: It is a much more likely scenario that the US would hand over NK to China/ SK or let them have very strong influence such as the recent example of Iraq where Iran has more influence than the US over Iraqi affairs. The US has not the ways, means, desires or enthusiasm to try to do anything in NK post war. China will end up picking up the pieces. They know this so will get in early if war turns inevitable.
Another incorrect assumption by NK is that SK is a puppet state. China has figured out by now that they are not. If SK is not puppet state than NK never could be.
A united Korea under SK would be a much better trading partner and much more stable influence in the region. They could potentially see a doubling of trade in 3-5 years as NK gets unshackled. All this helps China.
If NK somehow pulled off the impossible and conquered SK the opposite would be true. They would lose billions in trade and have even more unstable state to deal with. If they nuke someone than it gets exponentially worse.
3- Defense Pacts: I know a lot of other countries that have had defense pacts in the past. WWI and WWII seem good examples of this. Syria and Jordan for example backed the US during the first Gulf War despite having the Baathist Stars on their flags. Defense pacts are meaningless and ultimately unenforceable. Back when China was communist of course they backed NK. These days not so much.
China has nothing to gain and everything to lose by backing NK insanity.
Off Topic (kind of) Are any of you US members upping your prepping/home security because of this current situation?
Not in any way that would effect most people here.
Edit: Ok, NATO could invade under the charter but NK would have to swing first and hit North America or Europe. If they do that though there won't be much left to invade though.