China is pretty much banned from working with NASA. https://en.wikipedia.org/wiki/Wolf_Amendment https://en.wikipedia.org/wiki/Wolf_Amendment And they have be

China is pretty much banned from working with NASA. https://en.wikipedia.org/wiki/Wolf_Amendment https://en.wikipedia.org/wiki/Wolf_Amendment And they have been building their own space station for a while now so it is unlikely they'll join even if invited.