中国电信重庆公司作为中国电信股份有限公司在重庆市设立的省级分公司,每年向客户提供的通信服务发票均在5000万份以上。为降低发票印制成本及管理成本,中国电信重庆公司通过单联电子发票系统的开发应用,实现了单联电子发票对系统上线前双联(用户联、存根联)通信发票的替代使用,取得了显著的经济效益和社会效益。本文拟就单联电子发 As a provincial branch of China Telecom Chongqing Co., Ltd., China Telecom Chongqing Company has more than 50 million communications service invoices to customers every year. In order to reduce the printing costs and management costs of invoices, China Telecom Chongqing Company realized the use of double invoices (user-linked and stub-coupled) communication invoices for single online electronic invoice system through the development and application of a single electronic invoice system. Significant economic and social benefits. This article is about a single electronic hair