CHA [CHINA TELECOM] 6-K: Number 1.1 Annual report for the year ended
[Number 1.1 Annual report for the year ended December 31, 2017, released on April 12, 2018 1.2 Announcement of notice of annual general meeting, dated April 12, 2018 1.3 Circular regarding proposed amendments to Articles of Association and notice of annual general meeting, dated April 12, 2018 6-K ]