I'll keep posting this list every time this subject comes up:
https://en.wikipedia.org/wiki/List_of_the_largest_trading_pa...
China is 15-25% of the trade for those countries, but the west-aligned countries represent 80% of China's trade. A coordinated trade war would be vastly more devastating for China than the rest of the world.
I don't say this gleefully - I hope it never happens.