1. Business license of production enterprise: Enterprises that produce masks and other medical supplies need to have a business license to prove that they have legal business qualifications.
2. Medical device production license or medical device registration certificate: the production and sales of medical supplies need to obtain the medical device production license or medical device registration certificate issued by the relevant state departments.
3. Inspection report: The masks produced need to be inspected for quality, and the corresponding inspection report is obtained to prove that they meet the relevant national standards and regulations.
The above certificates and qualifications can prove the legitimacy of the enterprise and the quality of the products meet the standards, and have the qualification to provide medical supplies such as masks to hospitals.