1, different positioning: China Environmental Protection Federation is a national environmental protection organization, aiming at strengthening the strength of environmental protection organizations and promoting the development of environmental protection; Central Association is a trade association specializing in environmental pollution control technology and equipment.

2. Different scope: China Environmental Protection Federation pays attention to national environmental protection, involving many fields, such as environmental policy formulation, environmental scientific research, environmental education, etc. The Central Association focuses on environmental pollution control technology and equipment, and provides technical support and consultation for enterprises in the industry.

3. Different members: The members of China Environmental Protection Federation include government agencies, enterprises and institutions, social organizations and individuals related to environmental protection; The members of the Central Association are mainly enterprises and institutions engaged in environmental pollution control technology and equipment.