1. Education and training institutions: institutions specializing in various educational and vocational training activities, such as schools and training centers.

2. Scientific research institutions: scientific research institutes, technology research and development centers and other institutions mainly engaged in scientific research, technology development and transformation of scientific and technological achievements.

3. Social organization: refers to a legal person organization formed voluntarily by the society and guided by some * * * consent and goals, such as associations, chambers of commerce, foundations, etc.

4. Enterprises and institutions: refer to profit-making or non-profit organizations such as state-owned enterprises, private enterprises and institutions under market economy conditions.

5. Other types: including government agencies, individual families, non-profit organizations and other types.