Procedures include hygiene license issued by the health department, industrial and commercial administration license issued by the industrial and commercial department, and tax registration license issued by the tax department. You can start business if these three certificates are complete, but the relevant departments that wholesale these three certificates will check the environment and safety of your factory before issuing them. The cost is several thousand yuan. According to the preferential policies of the state, unemployed people can consult with several relevant departments with their ID cards and unemployment cards, and they can get preferential treatment.