中国联通主要经营固定通信业务，移动通信业务，国内、国际通信设施服务业务，卫星国际专线业务、数据通信业务、网络接入业务和各类电信增值业务，与通信信息业务相关的系统集成业务等。中国联通于2009年4月28日推出全新的全业务品牌“沃”，承载了联通始终如一坚持创新的服务理念，为个人客户、家庭客户、集团客户提供全面支持。
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