It is illegal for the actor to sell masks on WeChat without permission. If the amount involved is relatively large, the public security organ and the people's procuratorate may investigate their criminal responsibility for the crime of illegal business operation. China's "Regulations on the Supervision and Administration of Medical Devices" stipulates that those engaged in the production of medical devices should have production sites, environmental conditions, production equipment and professional and technical personnel suitable for the medical devices produced.
Legal objectivity:
Regulations on the supervision and administration of medical devices
Article 30
Engaged in medical device production activities, shall meet the following conditions:
(1) Having a production site, environmental conditions, production equipment and professional technicians suitable for the medical devices produced;
(2) Having institutions or full-time inspectors and inspection equipment capable of conducting quality inspection on the medical devices produced;
(3) Having a management system to ensure the quality of medical devices;
(4) Having the ability of after-sales service suitable for the medical devices produced;
(five) meet the requirements of product development and production process documents.