1. Manufacturing industry includes machinery manufacturing, electronic manufacturing, textile and clothing, food and beverage manufacturing, etc.

2. The construction industry includes housing construction, civil engineering, decoration and other construction-related industries.

3. Transportation includes road transportation, railway transportation, air transportation, water transportation and other transportation services.

4. Warehousing and postal services include logistics warehousing, express delivery services, postal services and other industries related to warehousing and postal services.

5. Wholesale and retail business includes various wholesale and retail services such as commodity wholesale, retail stores and e-commerce.

6. Accommodation and catering industry includes hotels, restaurants, catering services and other industries related to accommodation and catering.

7. Information transmission, software and information technology services include telecommunications, Internet, software development, information technology consulting and other information services.

8. Leasing and business services include real estate leasing, business consulting, human resources services and other leasing and business services.