China TravelSky Holding Company Limited (hereafter referred to as ?TravelSky?) is a central enterprise administrated by State-owned Assets Supervision and Administration Commission of the State Council (SASAC). It is a solely-state-owned high-tech enterprise specialized in providing information service for air transportation and the travel industry. TravelSky is the third-largest global distribution system (GDS) in the world and has the world?s largest Billing and Settlement Plan (BSP) data processing center. TravelSky is awarded as ?China Top 500 Informatization Company? for multiple times and has 28 authorizations of national patent for its invention.