It looks like the withdrawal suspension by China authority accidentally decentralize BTC trading and helps the OTC trading price set 20,000 CNY ATH on Bitkan, the Shenzhen-based startup offers built-in OTC feature in its mobile app. Wang Fuzhong, a well-known financial analyst, may be one of their registered users. Wang has around 1 million followers on weibo, the twitter counterpart in China. He released a weibo claiming to have bought “several” BTC, which stirred up a mixed feeling among his followers.
http://news.8btc.com/bitkan-users-grows-10-times-in-3-month-and-50k-engaged-in-otc-trade