ZNH [CHINA SOUTHERN AIRLINES CO] 6-K: (Original Filing)
[Summary Company Group 1 1 Important Notice 1.1 Board Directors The board of directors (the 1.2 1.3 1.4 2 Major accounting data and changes of shareholders of the Company 2.1 Major accounting data Unit: Million Currency: RMB 31 March 2020 31 December 2019 Increase / decrease at of the previous year]