苍溪县邮电局从1989年3月开通1000门HJ921型纵横制交换设备不到3年时间,他们一靠科学技术,二靠地方政府支持,不断推进通信发展,以实际行动迎接1993年中国工农红军在苍溪建立苏维埃根据地60周年纪念活动。全局干部、技术人员、工人团结一致,克服种种困难,扩容改制2000门程控电话。 Cangxi County Post and Telecommunications Bureau opened 1000 HJ921 type crossbar exchange equipment in March 1989, less than three years. They rely on science and technology and rely on the support of local governments to continuously promote the development of communications. In 1993, the Red Army 60th Anniversary of Establishment of Soviet Base in Cangxi. Global cadres, technicians and workers unite themselves to overcome all kinds of difficulties and expand the capacity to restructure 2,000 program-controlled telephones.