Lowercase ’c’ makes it pretty clear it’s not the country … you tiresome tumbler of nephritic laughing jackass soot.
[1] https://en.m.wiktionary.org/wiki/china#English
Edit: Capitalization
seen several Capitalized names of places
You disagreeable lota of plagued Japanese spaniel chaff
You unpretty hipflask of neuritic Colorado beetle excretes
You wearisome clothesbasket of envenomed Yorkshire terrier feces
You ill-proportioned GI can of plagued Brussels griffon dribble