Not sure what it means, except that perhaps the two countries are far closer than when it was the USSR across the border.

“=The war games were staged under the flag of the Shanghai Cooperation Organisation (SCO), a regional grouping that includes Russia, China and four Central Asian states.“

…

The exercises take place against a backdrop of mounting rivalry between the West, and Russia and China for influence over Central Asia, a strategic region that has huge oil, gas and mineral resources.

That being said, I think that much of the world is looking for some sort of return to a bipolar world.