China United Network Communications Limited is principally engaged in the telecommunication industry. The Company operates its business through the mobile communication segment and the fixed network segment. The mobile communication segment mainly offers global system for mobile communications (GSM) services and 3rd-generation (3G) services. The fixed network segment mainly provides fixed network broadband and data communication services, as well as traditional fixed network services. The Company is also involved in the provision of integrated business and industrial application services. The Company operates its businesses in domestic markets.