From May to July of this year, ten teams will gather in Shanghai for a Dota 2 league that will take place in an offline setting.
Teams will play a round-robin group stage, and qualifiers from each group will go on to a double elimination playoff bracket.
Winner gets 500k RMB, second place 200k, third place 100k, fourth place 50k. Every other participating team gets 20k as a participation prize, for a grand total of a cool 1 million RMB in prize money.
Source: http://dota2.gamefy.cn/view_31151.html
DSL official site: http://dsl.gamefy.cn/
where can we see more information about participating teams, schedule, etc?
https://dotaland.net/2013/05/02/perfect-worlds-dota-2-super-league-start-date-and-groups-revealed/