China ultimately wants to make a deal with South Korea to take care of the “North Korea Problem”, but they would want the US out of Korea in return.
When China looks at North Korea, it is like looking in the mirror at its own past. To say something is wrong with the personality cult of the Kim Il Sung, is to say something is wrong with their cult of Mao. In fact, current Communist leader Xi Jinping is a second hereditary communist leader since his father was a high-level first generation communist official.