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ＣＩＥＮＡ／ＩＤＮ在北京与四大电信运营商 :中国电信、中国移动、中国联通、中国铁通的高层技术领导分别举行了ＣＩＥＮＡ／ＩＤＮ智能光网络研讨会。ＣＩＥＮＡ在中国的合资企业———北京ＩＤＮ电信系统有限公司具体组织并主持了此次系列研讨会。作为全球著名的光通信厂商
CIENA / IDN held a CIENA / IDN Intelligent Optical Network Seminar in Beijing with top four telecommunication operators: China Telecom, China Mobile, China Unicom and China Railcom respectively. CIENA’s joint venture in China --- Beijing IDN Telecommunications Systems Co., Ltd. specifically organized and hosted the series of seminars. As a world-renowned optical communications manufacturers