What hotel management system does Qidian use?

They developed it themselves. B/S architecture software.

Beijing Zhuzhe chain hotel management system can easily meet the various needs of hotel informatization. It is a B/S architecture system developed by Beijing Zhuzhe Information Technology Co., Ltd. using cross-platform Java language, including Central reservation system CRS, member management system MMS, central management system CMS, branch management system PMS subsystem.