35 must-have subcategories:

1. 3501 Advertisement.

2. 3502 Business Administration Support Industry.

3. 3503 Promote for others.

4. 3504 Personnel management auxiliary industry.

5. 3505 business premises relocation services.

6. 3506 office affairs.

7. 3507 Accounting.

8. 3508 single service.

9. 3509 Retail or wholesale services of medicines and medical supplies.