Good sites like this for Chinese...

[Sakana]

こっにちは。お元気ですか。

Hello everyone. This site has been very helpful for learning Japanese, but im wondering if anybody knows about any similar sites like this dealing with Chinese.
It is hard to find a good place on the internet that has information on Chinese grammar. I should also probably mention, the dialect of Chinese i am studying is Mandarin.

ありがとう。
Thanks.

[Gaijinian]

你好.我学一点普通话,可是,说得不很好...
你想学吗?
http://www.chinese-forums.com你看!!:p

[Sakana]

Thanks.
I think that should be useful.
Yes Gaijinian, 我想学。
谢谢.