I’m so old I remember when we kicked China’s butt in Vietnam.
Even Vietnam kicked China’s butt.
That’s why we pulled out of Vietnam in a way resembling Afghanistan in April of 1975....
https://youtube.com/watch?v=nnAvoF31HOY
Actually, by visiting China, Nixon flanked Russia in Vietnam and was then able to leave. Russia lost the presence in Vietnam and the SE Asian dominos did not topple
Russia is a trivial customer of China. The world as China customers is significant, paramount. Russia will choose the world and finesse Russia