China Southern Airlines Cheongju Office Cheongju Airport Office China Southern Airlines (28142) 3th Floor, Korea Airports Corporation Building 980, Ochang-daero, Ipsang-ri, Naesu-eup Cheongwon-gu, Cheongju-si Chungcheongbuk-do Republic of Korea Tel: +82 43 215 9070 Fax: +82 43 212 9071 Email: [email protected]…