Shanghai Airlines, Hainan Airlines and China Southern Airlines are seeking rights to launch services to Europe.
Hainan Airlines wants to launch a weekly Guiyang-Paris service from March, a route it had first sought to launch from January.
China Southern is meanwhile seeking rights to a thrice-weekly Zhengzhou-London service from April, while Shanghai Airlines wants to launch four-times weekly services between Shanghai Pudong and Budapest in June.
Separately, Qingdao Airlines has applied to commence services to Myanmar and Cambodia in April. These are twice-weekly services from Changsha to Yangon, Phnom Penh and Siem Reap, as well as a weekly service between Changsha and Mandalay.
Tianjin Airlines has also applied to start plying thrice-weekly between Tianjin and Ulaanbaatar from March.
FlightGlobal schedules data shows that Qingdao Airlines will compete with Lanmei Airlines between Changsha and Siem Reap.