Question

Where can i find stuff about ancient china

Start with a list and overview of Chinese dynasties and the preimperial period, and then decide how "ancient" you want to go.

Here is a good place to start:
(Broken Link Removed)

Then use google.com or wikipedia.com or a library.

In addition to the great web site recommended by drwls, check out this site.

http://www.historyforkids.org/learn/china/