Non-medical masks have no registration number. According to relevant information: According to the Catalogue of Special Labor Protection Articles, these non-medical particle protection masks belong to special labor protection articles. The production and sale of non-medical masks do not need special qualification license like medical masks. According to the management of Class II medical devices, the production and operation of non-medical masks need to obtain the production qualification of licensed medical devices according to law, and operators should put on record and operate Class II medical devices.