If you see them in your country beat the shit out of them ,spit them in their face and send them back to communist China ...
Spit in their food ,piss in their food ,water make them not welcomed in your countries.
Dude, that is a bit crazy. How do you know for sure he is from China and not maybe from Korea, Thailand or Vietnam? Just by looking Asian we can't punish them.
Also we should not use violence. If we are unhappy with the economic war of China we should respond economically. It's on all of us what kind of products to buy, where they were build.