Salt-making Institute of the Ministry of Light Industry

Ministry of Environmental Protection of the People`s Republic of China

Law of Environmental Protection of the People’s Repu

North China Centre of Environmental Supervision of Ministry of Environmental Protection

Tianjin institute of the Environmental Protection

The Institute of Environmental Protection

Research Institute of Environmental Protection of Inner Mongolia Autonomous Region

Biogas Research Institute of the Ministry of Agriculture

Biogas Scientific Research Institute of the Ministry of Agriculture

Organic Act of the Foreign Service Institute of the Ministry of Foreign Affairs

Tianjin Geological Research Institute of the Ministry of Metallurgical Industry

Waterborne Transportation Institute of The Ministry of Com m unications

Yichang Geological Institute of the Ministry of Geology and Mineral Resources

The No.1 Research Institute of the Ministry of Public Security

Third Research Institute of The Ministry of Aero-space Industry

Agro-environmental Protection Institute of China

Agro-environmental Protetion Institute of China

Anshan Research Institute of Environmental Protection

Beijing Muinicipal Institute of Environmental Protection