Common sense 1. Classification of masks

1. First class medical equipment: disposable mask

2. Second class medical equipment: medical mask

3. Three types of medical devices: various masks containing sterilization, bacteriostatic and antiviral components

4. Normal products: dust masks or comfortable warm masks

Common sense 2. Qualifications for mask trading

1. Class I medical devices need to be filed

2. Types 2 and 3 require permission