ANNOUNCEMENT ON THE REPURCHASE AND CANCELLATION OF PART OF RESTRICTED A SHARES UNDER THE RESTRICTED A SHARES AND STOCK OPTION INCENTIVE PLAN OF 2018[2019-3-22]

ANNOUNCEMENT (1) PROPOSED EXPANSION OF THE BUSINESS SCOPE OF THE COMPANY (2) PROPOSED INCREASE IN REGISTERED CAPITAL AND (3) PROPOSED AMENDMENTS TO THE ARTICLES OF ASSOCIATION [2019-3-22]

Next Day Disclosure Return [2019-3-22]

INSIDE INFORMATION - PROPOSED DELISTING OF STA [2019-3-10]

DATE OF BOARD MEETING [2019-3-8]