PBOC recently recently issued a letter in the summary of the topics of the central bank's national currency, gold, silver and monetary policy conference calls.
The paper states that as a primary monetary policy for PBOC 2018, the desire to develop their efforts in "promoting R & D of the digital currency of the central bank", indicates that a Chinese national cryptokurrence has long been Rumor of China's first priority for central bank SOURCE https://news.bitcoin.com/china-strengthen-cryptocurrency-regulations-2018/