No.457 Beijing Popularity Ranking No.143 Haidian District No.2 Guo Chan Hua Ti Dai No.3 Cloud Storage No.3 All-in-one PCs No.3 Yi Ti Computers No.3 All-in-one PCs Computers No.4 IT Services Management No.4 All-in-one PCs Office Equipment No.6 Data Engineering No.6 Information Safety Management No.9 Databases No.14 Zi Zhu Ke Kong No.17 Qi Ye Xin Informatization 双软认证 高新技术企业 企业技术中心 知识产权试点企业 中关村高新技术企业 省级高新技术企业