No.49Tongzhou District Popularity Ranking BeijingNo.5 Tie Lu Shi EngineeringNo.5 Da Dam EngineeringNo.6 Gui Dao Jiao Tong Jie Jue SolutionsNo.8 Di Ji Ji Chu EngineeringNo.8 Di Ji Ji ChuNo.9 Water Conservancy Hydropower EngineeringNo.12 Bridge Beam EngineeringNo.15 Steel Structure ConstructionNo.15 Tu Mu EngineeringNo.16 Gong Road EngineeringNo.17 Steel Structure MaterialsNo.20 Steel Structure企业技术中心高新技术企业省级高新技术企业鲁班奖国家科技进步奖文明单位