Why does china back north korea?

The second priority -- no instability --means that Beijing wants to keep North Korea from collapsing, which could cause China all sorts of problems -- streams of Korean refugees, loose nuclear materials (see priority No. 3) and the risk of the war that China so wants to avoid. read more

As you can observe, North Korea serves as a buffer zone between Communist China and Capitalist western countries in which I also includes Japan. China must seek through by all it’s means to maintain this zone under any cost. read more

Mr. Jang’s fall from power is the latest in a long succession of Chinese policy failures in North Korea. Many analysts argue that North Korea is a buffer state for China, used by Beijing to insulate it from American pressure. But the reverse is more the case: China is a buffer state for North Korea, for Beijing continues to be Pyongyang’s primary enabler. read more