The aviation information technology (AIT) services provided by TravelSky consist of a series of products and solutions. For instance, we provide commercial aviation companies in China and over 300 foreign countries and areas with airport passenger processing (APP) system services and electronic travel distribution (ETD) services which include inventory control system (ICS) services and computer retail system (CRI) service. Moreover, IT services extended form the core business mentioned above are also provided, including but not limited to product services supporting airline alliances, solutions for developing electronic tickets and e-commerce, data services helping aviation companies to make decisions, and information management systems improving ground operation efficiency.