https://support.google.com/nonprofits/thread/337377399?hl=en&sjid=11932406235445199272-NC https://allairlineshubhelp.zendesk.com/hc/en-us/articles/34271295355409-Hainan-Airlines-Customer-Service-Contacts https://allairlineshubhelp.zendesk.com/hc/en-us/articles/34271362832785-Ways-to-Communicate-with-Hainan-Airlines-Customer-Service-Chat-and-Email-Guide https://allairlineshubhelp.zendesk.com/hc/en-us/articles/34271520097169-Ways-to-Call-Hainan-Airlines-Customer-Service-by-Phone-Chat-and-Email-a-Complete-Guide-Explained
