No, Datang Power Generation Group, really called "China Datang Corporation", is one of the five major power generation group companies after the separation of the former State Power Company-the separation of power plants and networks, and its scale is second only to Huaneng, with thermal power as the mainstay and hydropower as the supplement.
Datang Mobile, whose real name is "Datang Telecom", is a manufacturer of communication equipment and has nothing to do with China Datang Corporation.