1. Government and relevant departments: National Development and Reform Commission, Ministry of Science and Technology, Ministry of Industry and Information Technology, Ministry of Ecology and Environment, Ministry of Housing and Urban-Rural Development, Ministry of Communications, Ministry of Agriculture and Rural Affairs, Ministry of Natural Resources, Ministry of Water Resources, China Association for Science and Technology, Chinese Academy of Sciences, Planning Institute, Urban Construction Institute, Energy Bureau, Forestry Bureau, Oceanic Bureau, etc. Local industry and information committees, science and technology departments, environmental protection bureaus, energy bureaus, environmental monitoring stations, government planning and procurement departments of low-carbon energy-saving products; Relevant national and local industry associations, design institutes, hotels/shopping malls/universities, economic traders in steel, nonferrous metals, coal, building materials, chemicals, textiles, aerospace, domestic and foreign investors, financial institutions, import and export companies, distributors, agents, domestic and foreign financial investment institutions, domestic and foreign scientific research institutions, colleges and universities, etc.

2. Industrial users: electric power, petroleum, iron and steel, petrochemical, medical, food, municipal, construction, real estate, cement, electrical, electronic, coal, mining and metallurgy, paper making, pharmaceutical, wine making, textile, aerospace, shipping, machinery, metallurgy, hardware, molds, steel structures, forging, plastics, packaging, casting, etc. Large energy consumers in China: more than 100 large energy consumers such as steel, electricity, chemical industry and manufacturing industry, real estate developers, etc.;

3. Public institutions: air monitoring department, solid waste management center, energy company, electric power group, water group, water supply and drainage company, sewage treatment plant, environmental engineering company, garbage treatment plant, environmental monitoring corps, environmental monitoring center, industrial park, municipal unit, logistics department of enterprises and institutions, distribution agent, CDC, epidemic prevention station, scientific research institution, university, station, hospital and laboratory

4. Integrated services: carbon trading management, carbon neutralization related service departments, green financial institutions, energy centers, energy conservation centers, integrated energy and energy conservation service companies, environmental protection technology service companies, clean energy departments, distributors and agents of low-carbon technologies, energy conservation and environmental protection equipment, carbon neutralization projects, clean energy production, integrated energy and energy conservation services, and low-carbon pilot units; Landscape, architecture, architectural design units and lighting engineering companies, design institutes, etc.