No.253Dongcheng District Popularity Ranking BeijingNo.3 Hui Yi Dian HuaNo.6 Smart Mines MountainNo.7 Enterprise SafetyNo.13 Video ConferencingNo.18 BeiDou NavigationNo.27 Zhi Hui SchedulingNo.31 An Quan Fang HuNo.40 TradingNo.55 Xin Chuang Chan IndustriesNo.66 Xin Xi Xi Tong Ji ChengNo.70 Operating SystemsNo.73 Hang Ye Xin Informatization市级高新技术企业高新技术企业瞪羚企业省级高新技术企业软件著作权软件产品登记证书