China Southern Airlines Company Limited Files 2018 Annual Report on Form 20-F

GUANGZHOU, China, April 26, 2019 /PRNewswire/ -- China Southern Airlines Company Limited ("ZNH" or the "Company") (NYSE: ZNH) The Company's annual report on Form 20-F for the fiscal year endedDecember 31, 2018 has been filed with the U.S. Securities and Exchange Commission ("SEC"), which can be a...