That's assuming they can maintain their current growth.The only legal sanctions according to International Law are UN Security Council appointed sanctions. China will surpass the combines West by itself in the next few decades. The Chinese would be even militarily with the US; they purchased Russian nuclear sub technology. Chinese nuclear sub tech is behind the US. Russia is by a massive margin the most powerful country in Europe.
https://www.theamericanconservative.com/this-time-its-different/
https://www.youtube.com/embed/rnut-E_eEM0
There's a population crisis, growing appetite for decent, employment issues and whole bunch of other things discussed in this thread. No question that they are doing well right now, but a good argument that it's not sustainable. Much of it is going to come down to how competent their dictator is. History generally tells you they don't do too well.