Obviously what matters is how much of the world’s products they produce - especially products that require high energy input. I can’t imagine why you think per capita is the appropriate statistic to compare.
This has already been pointed out to you in this discussion, so it seems you are not actually engaging with the information you’re being provided with for some reason.
There are 182 countries doing better than China.
https://www.worldometers.info/co2-emissions/co2-emissions-by...