results so far are below, stream found here: http://dota2.sgamer.com/video/201208/31109.html
Sign up period: Sept 28 2012 – Oct 13 2012
Competition period: Oct 16 2012 – Oct 27 2012
Total prize pool: $37000 USD
Eligibility: China mainland, 18 years and above
Dota2 competition QQ group: 263425930
Includes an open bracket, invites, and a regional grand finals
According to http://dota2.17173.com/news/10112012/175259027.shtml, the invited teams are LGD, TongFu, AgFox, For.Love, HuangZu (royalty), NA, RS, and WIN.