Beijing Haidian District No.3 Gong Cheng Gui Hua No.5 Network Equipment No.8 Guang Communication Systems No.9 Guang Communication Services No.9 Guang Communication Technology No.12 Guang Communication No.15 Yi Dong Communication No.18 Information Engineering No.20 Engineering Survey Design No.25 Electronics Information Engineering No.42 Communication No.45 Communication Engineering 高新技术企业 中关村高新技术企业 省级高新技术企业 市级高新技术企业