Chinese people are very racist towards non-Chinese. It might seem like a happy utopia, but if you aren't Chinese, then you may not really enjoy your time there. It may not be quite as bad as being black in rural US south, but being black (or anything non-Chinese) in China is still not going to be a good time.
What do you mean by racist? I'm a white/hispanic American and spent 3 months in China and didn't really notice anything problematic towards me.
Wild to call 1.42 billion people racist despite having met very few of them.
Racism in even the worse parts of America doesn't even begin to touch the racism present in monocultural/monoracial countries.