Beijing Haidian DistrictNo.8 Water TechnologyNo.15 Sheng Tai Huan Jing Zhi ManagementNo.20 Wu Mud ProcessingNo.27 Shui Huan Jing Zhi ManagementNo.45 Environmental MonitoringNo.82 Water EngineeringNo.82 Water ServicesNo.85 Water InvestmentNo.94 Water ConstructionNo.98 Shui Wu Gui Hua Water Safety Shui Zi Yuan国家高新技术企业高新技术企业瞪羚企业企业技术中心知识产权试点企业省级高新技术企业市级高新技术企业科技型中小企业市科技型中小企业中关村高新技术企业专精特新小巨人企业