Key Financial Data
For the half year from 1 January to 30 June (RMB Million)
  2017/1H 2018/1H 2019/1H
Operating Revenue 184,315 193,029 190,488
Service Revenue 165,996 177,588 182,589
Operating Profit 18,007 19,157 19,944
EBITDA 52,444 55,858 63,287
EBITDA Margin 31.6% 31.5% 34.7%
Net Profit 12,555 13,570 13,909

Service Revenue = Operating Revenue - Sales of Mobile Terminals - Sales of Wireline Equipment - Other Non-Service Revenue

EBITDA Margin = EBITDA / Service Revenue

In accordance with the requirements of International Financial Reporting Standards (“IFRSs”), the Company has implemented IFRS 16, “Leases” (“Lease Standard”) since 1 January 2019. The Company has selected the modified retrospective approach for the application of the Lease Standard and recognised the cumulative effect of initial application to opening reserves without restating comparative information