Getting a business license is not necessarily related to getting a health certificate. Whether getting a health certificate is free depends on local regulations. Holding a business license is not free unless there are preferential policies.
Legal basis:
"Measures for the Administration of Occupational Health" Article 12 In the occupational health examination, the employer shall truthfully provide the following relevant materials required for the occupational health examination and bear the inspection expenses: (1) Basic information of the employer; (two) the types of occupational hazards in the workplace and the list of contact personnel, positions (or jobs) and contact time; (3) Relevant information such as regular detection of occupational hazard factors in the workplace.