China Mobile Ltd is an investment holdings company that provides mobile telecommunications and related services in Mainland China and Hong Kong. Its portfolio of services comprises of local calls, domestic long distance calls, international long distance calls, intra-provincial roaming, inter-provincial roaming, and international roaming, caller identity display, caller restrictions, call waiting, call forwarding, call holding, voice mail, conference calls, and others. In addition, the company offers data services, wireless data traffic services, telecommunications network planning design and consulting services, mobile data solutions, network planning and optimizing construction testing and supervising activities, technology support, designing and selling electronic communication products, and more. It was incorporated in 1997 and is based in Central, Hong Kong. China Mobile Limited is a subsidiary of China Mobile Hong Kong (BVI) Limited.