I would like to bring customer from different countries.
So, does google
meta keyword support another language than
<meta name="keyword" content="中国网站, china website">
Does google understand Chinese keywords?
Google certainly understands many languages. The Google search engine is available in tens of locales.
If you want to bring in visitors that speak other languages you will need to do more than put in meta keywords. Google doesn't even use meta keywords anymore. They are spammed too much for Google to pay attention to them.
You will need to: