2022-05-04

Monthly Return of Equity Issuer on Movements in Securities for the month ended 30 April 2022

2022-04-27

NOTICE OF ANNUAL GENERAL MEETING

2022-04-27

FORM OF PROXY FOR THE ANNUAL GENERAL MEETING TO BE HELD AT THEATER R1, 10/F, UNITED CENTRE, 95 QUEENSWAY, ADMIRALTY, HONG KONG ON MONDAY, 13 JUNE 2022 AT 10:00 A.M.

2022-04-27

PROPOSED RE-ELECTION OF RETIRING DIRECTORS AND PROPOSED GRANTING OF GENERAL MANDATES TO BUY BACK SHARES AND TO ISSUE SHARES AND NOTICE OF ANNUAL GENERAL MEETING

2022-04-27

Annual Report 2021

2022-04-20

VOLUNTARY ANNOUNCEMENT IND APPROVAL FOR SN1011 BY NMPA

2022-04-04

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 March 2022

2022-03-21

ANNUAL RESULTS ANNOUNCEMENT FOR THE YEAR ENDED 31 DECEMBER 2021 AND CHANGE IN USE OF PROCEEDS