No.746 Beijing Popularity Ranking No.23 Shunyi District No.1 Plumbing Devices Materials No.1 Jian Zhu Nuan Tong No.1 Plumbing Systems No.1 Water Supply and Drainage Systems No.2 Water Supply and Drainage Design No.2 Water Supply and Drainage Engineering No.2 Water Supply and Drainage No.2 Chuan Bo Jian Manufacturing No.4 Gong Yi Equipment No.4 HVAC No.6 Drainage Systems No.6 Steel 詹天佑奖 鲁班奖 理事单位 国家优质工程奖 企业技术中心 中关村高新技术企业 高新技术企业 省级高新技术企业 市级高新技术企业