The domain 7.cn has apparently sold for approximately 15 million Yuan, the news reported on Ename.cn
Kassey Lee from Coreile.com translated the Ename news,
7.cn sold for about 15m CNY. 7 rhymes with 奇 (wonder), 棋 (chess) , 妻 (wife), and 趣 (fun). Can be used in games, dating, and education. Seller bought domain name in September, 2014 for less than 10m, making more than 5m CNY within only two years.