Beijing Haidian District No.2 Switch No.3 Yi Tai Nets Technology No.3 Zhi Hui Jia Ting No.3 Power Communication No.3 Network Switches No.4 Switches No.5 Reinforcement Switches No.7 Hu Lian Wang Jie Ru No.10 Optical Fiber No.11 Wu Lines Communication No.12 Communication Equipment No.12 Yi Dong Wu Lines Communication 国家高新技术企业 理事单位 高新技术企业 国家知识产权示范企业 隐形冠军企业 省级高新技术企业