No.65 Tongzhou District Popularity Ranking Beijing No.1 Sleeves Pipes No.3 BIM Technology No.4 Huan Jing Xiu Fu No.8 Concrete No.8 Construction Management No.11 Di Ji Ji Chu No.11 Di Ji Ji Chu Engineering No.12 Construction Information Models No.14 Modules Chemical Design No.14 Yan Tu Gong Cheng She Ji Shi Engineering No.17 Yan Tu Engineering No.27 Jie Neng Jian Pai 理事单位 国家高新技术企业 高新技术企业 院士工作站 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 国家专利 市级高新技术企业 市级创新型中小企业