According to this report today, the check-in records of the Huazhu hotel chain, some 130 million of them, have been hacked.
www.bleepingcomputer.com/news/security/data-of-130-million-chinese-hotel-chain-guests-sold-on-dark-web-forum/
Huazhu operates a number of popular hotel chains. Hanting is most widely known, but in China they also operate the Grand Mercure, Joye, Manxin, Novotel, Mercure, CitiGo, Orange, All Season, Starway, Ibis, Elan, and Haiyou chains.