How to fill in key industry types

The filling of key industry types needs to be determined according to specific industries and fields. The following are some common key industry types:

1. Financial industry: including banks, securities, insurance, funds and other financial institutions.

2. Real estate industry: including real estate development, real estate agency and property management.

3. Manufacturing industry: including automobile manufacturing, machinery manufacturing, electronics manufacturing, food manufacturing, etc.

4. Information technology industry: including software development, information technology services, Internet, etc.

5. Energy industry: including oil, natural gas and electricity.

6. Transportation industry: including aviation, railways, highways and waterways.

7. Medical industry: including hospitals, medical devices and medicines.

8. Education industry: including schools and training institutions.