It looks like that as a China YouTube, Tudou.com is doing pretty well. For advertisers and marketers, you can do site targeted advertising using AdWords on the following websites:
imeem.com
tudou.com
veoh.com
metacafe.com
youtube.com
You could receive huge amount of traffic by doing site targeting on these websites; just keep in mind of the conversions. Traffic alone doesn’t mean anything.
Source: Hitwise