Are private sales allowed for kn95 masks

Doesn't the n95 mask allow private sales!!!! _!!! The N95 mask is a class II medical device, and the individual does not have the right to operate a medical device. N95 belongs to the second class of medical devices, individuals do not have the main qualification of operating medical equipment, engaged in the operation of medical equipment in violation of the prohibition of the national administrative departments? Private sale is not strictly prohibited, but not allowed. n95 is an international standard, according to the caliber of the Epidemic Prevention Center is a national strategic substance, but the country does not have a very strict control of this strategic substance during the epidemic, at least not at the national level, the local government does not know. Moreover, n95 needs to cooperate with local governments and the state, and prioritize to meet the national use. Market trade, import and export are feasible, but generally for the enterprise, personal sales or pay attention to it, you are difficult to prove that your real source of this mask, and personal anti-risk ability is poor, unlike the enterprise there is a barrier to help you fight the risk.