Like Outer Mongolia?
China depends on sales of their products to the USA and other western nations. They cannot and will not tolerate anything that disrupts that business. Russia couldn't even get Xi to talk about Ukraine in his recent meetings with him.
Right now the Ukrainians are firing Chinese made mortar shells at the Russians. The Chinese are pragmatic, not dogmatic.
Pakistan
Serbia
Iran
North Korea
Russia
Most of Africa loves China and may jump in.