who can telll me something about Chinese greeting ritual?

如果您可以提供一些英语mateirals好得多。

just google it!!!!!!!go to google.com in English

I do not know.

you are forginer?
different rituals depend on different people based on his status or his importance in your heart,also depeng on different situation.
in general,in formal occasion,you can say hi to him and shake hands with him.
in informal occasion and the other side that are you good friends and you are such familiar with him,you can greet him as you please even embrace him.