http://www.volleychina.org/b/2017/0728/3531.html
The official pools:
Pool A: Jiangsu, Sichuan, Liaoning, Bayi, Fujian, Henan, Guangdong
Pool B: Zhejiang, Tianjin, Shanghai, Beijing, Shandong, Yunnan, Hebei
The main rules:
1. The wide roster is still the list of 20 players.
2. the rule of foreigners: still "2+n"
3. Round 1 to Round 12: Doudle Round-Robin in the same pool; Round 13 to Round 20 (Top 8 and Last 6): Doudle Round-Robin in the different pools
4. Top 4: Semifinals (Bo5, home-away-away-home-home) Finals (Bo7, home-away-away-home-away-home-home) 3rd Finals (Bo3, home-away-home)