Nicely done. Playing up stereotypes based on a couple of anecdotes. Do you have any solid evidence about this? Are you accusing a mass of 1.3 billion people, 1/5th of humanity, and their representative agents and agencies of being, what, dishonorable?

Let me google it for you,

"china renege on deal" https://www.google.com/search?q=china+reneges+on+deal&oq=chi...

"russia renege on deal" https://www.google.com/search?q=china+reneges+on+deal&oq=chi...