There are different options for reliable customer care by China Southern Airlines: 1. Call China 4008-999-999 or internationally: 0086-20-86179999 . 2. Email: service@csair.com. 3. Send the mail to China Southern Airlines Co., Ltd., No.5 Zhujiang East Road, Tianhe District, 510610 Guangzhou, China . These help channels guarantee passengers reliable support and prompt response to their requests.