Geotechnical Reconnaissance Branch of Tianjin Municipal Engineering Design and Research Institute

Tianjin Municipal Engineering Design and Research Institute

Environmental Center of Engineering Design and Research Institute of General Equipment Department

Southwest Municipal Engineering Design and Research Institute of China

Tianjin Research and Design Institute of Chemical Industry

Beijing Central Engineering and Research Research Institute of Non -ferrous Metallurgical Industry

Beijing General Municipal Engineering Design and Research Institute

Central and Southern China Municipal Engineering Design and Research Institute

Changzhou Municipal Engineering Design and Research Institute

Chemical Engineering Design and Research Institute of Xinjiang

Chongqing Municipal Engineering Design and Research Institute

Dalian Municipal Design and Research Institute of Environment Science Dalian

Dalian Municipal Design and Research Institute of Environmental Science

Dalian Municipal Research and Design Institute of Environmental Science

Guangzhou Municipal Engineering Design and Research Institute

North China Municipal Engineering Design and Research Institute

Shanghai Municipal Engineering Design and Research Institute

Wuhan Municipal Engineering Design and Research Institute

Wuxi Municipal Engineering Design and Research Institute