No.93 Fengtai District Popularity Ranking Beijing No.1 Network Optimization No.2 Data Drivers Marketing No.2 Data Marketing No.2 Steel Towers No.8 Zhi Hui Scheduling No.14 Security Surveillance No.15 Information Safety Management No.16 An Fang Wei Hu No.16 Monitoring Systems No.17 Security Electronics No.18 Communication Systems No.22 Security Technology 中关村高新技术企业 副理事长单位 理事长单位 国家高新技术企业 理事单位 专精特新小巨人企业 ISO9001认证 ISO27001认证 计算机信息系统集成资质