http://gw2.kongzhong.com/news/20140430/1529.html
One month ago they announced pre-sales for the beta pre-launch limited to 500,000 copies. Today they hit their goal and have extended the sale for 24 hours
Note that this is the first time anyone has ever sold a MMO in China, it's a revolutionary commercialization strategy in a market of F2P and P2P online games.