Caissa Tosun Development Co.,Ltd. engages in outbound tourism, and air and rail catering industries in China and internationally. The company operates through Tourism Business, Catering and Food and Beverage Business Division, and Destination Business segments. It offers outbound, inbound, and domestic tourism, as well as group tours, customized tours, free travel and cruise tours, airline ticketing, inbound reception, tourist passenger transport, corporate travel, and other services to governments, enterprises, and individuals under Caissa Travel brand.