Kingsoft Corporation Limited, an investment holding company, engages in the design, research and development, sale, and marketing of the office software products and services of WPS Office in Mainland China, Hong Kong, and internationally. It operates in two segments, Office Software and Services, and Entertainment Software and Others. The company is also involved in the research and development of games, and the provision of PC games and mobile games services. In addition, it engages in the research, development, operation, and distribution of games; research and development of online games; marketing and operation of SMS, and wireless service of online games and application software; sale and operation of office application software; marketing and operation of entertainment software products; and research, development, and distribution of consumer application software. Kingsoft Corporation Limited was incorporated in 1988 and is headquartered in Tsim Sha Tsui, Hong Kong.