Kingsoft Corporation Limited is an investment holding company. The Company operates its business through three segments. The Online Game segment is engaged in the research, development and operation of client online games and mobile games, as well as the provision of game licensing services. The Cheetah Mobile segment is engaged in the provision of online marketing services, internet value-added services, Internet security services and other services. The Cloud Services, Office Software and Others segment provides office application software, as well as cloud storage and cloud computation and dictionary services.