CHU [CHINA UNICOM (HONG KONG)] 6-K: (Original Filing)
[1 Announcement dated March 17, 2015 in respect of Notice of Annual General Meeting. 2 Circular dated March 17, 2015 in relation to Proposed General Mandate to Buy Back Shares and Proposed Adoption Of the New Articles of Association. 3 Announcement dated March 17, 2015 in relation to Notice to Holders of the Convertible Bonds. CHINA UNICOM (HONG KONG) LIMITED]