Did you know that over the summer it was reported that China's foreign currency reserves again exceeded 3 trillion USD? Since the beginning of the year, the capital outflows have slowed as China tightened rules on moving capital outside the country. China's reserves reached an all-time high - close to 4 trillion USD - in June 2014 and the drop to the current level have determind the Chinese foreign currency policy, despite having short term negative impact on the Chinese export sector*). The initiatives seems to work.
*) Trading Economics 7th July 2017