China's Foreign Minister Wang Yi reportedly told the EU's top diplomat Kaja Kallas on July 3 that the country cannot afford for Russia to lose the war in Ukraine amid fears the U.S. would shift focus towards Beijing, the South China Morning Post (SCMP) reported, citing sources familiar with the conversation.
I suspect the concern is that no one, including China itself knows how strong they would be in a military conflict, since they haven’t been in an at scale conflict in living memory, using economic power instead to great effect.
If they are really wanting to violently assert their view on Taiwan, they want global attention divided.