No.312 Beijing Popularity Ranking No.107 Haidian District No.1 Office Automation No.1 Video Surveillance Systems No.2 Ji Shu Fu Wu Gong Ying Shang No.2 Computer Services No.2 Security Engineering No.2 Meteorology Services No.2 Communication Software No.2 Video Surveillance No.3 Meteorology Taoist Temples Testing No.5 District Blocks Chain Finance No.6 Xin Xi Xi Tong Ji Cheng No.7 District Blocks Chain 国家规划布局内重点软件企业 高新技术企业 副会长单位 科技型中小企业 国家企业技术中心 企业技术中心 计算机信息系统集成资质