Bureau of Hydrology and Water Resources Survey of Guilin in Guangxi Province
Beijing Municipal Research Institute of Environmental Protection Beijing
Beijing Municipal Research Institute of Environmental Protection
北京市环境保护科学研究所
北京环境保护科学研究所
北京市环境保护科学研究院
北京市环境保护科学研究所；交通部公路科学研究所
Beijing Municipal Research Institute of Environmental Ppotection
Beijing Municipal Research Institute of Environment Protection Science
Beijing Municipal Research Institute for Environmental Protection
Beijing Municipal Institute of Hydraulic Engineering Planning Design Research
Beijing Modern Research Institute of Recycling Economy
Beijing Modern Recycling Economy Research Institute
Beijing Iron and Steel Designign and Research Institute
Beijing Institute of Geo-engineering and Research
Beijing Institute of Architectural Design Research
Beijing Hydraulic Research Institute
Beijing Haidian District Environmental Sanitation Scientific Research Institute
Beijing Geological Research Institute of Nuclear industry
Beijing Geo-engineering Design Research Institute
Beijing General Municipal Engineering Design and Research Institute