Mask machine belongs to the second class of medical devices. Masks of the general business items are: health care personnel protective supplies wholesale; labor protection supplies sales. (Laws, administrative regulations or decisions of the State Council prohibit and provide for the approval of the project before registration, except), the licensed business items are: the second class of medical equipment retail; medical masks retail; medical masks wholesale; daily-use masks (non-medical) production; daily-use masks (non-medical) sales; labor protection supplies production; the second class of medical equipment wholesale; healthcare workers protective equipment retail; medical masks production; Class II medical device production; health care personnel protective equipment production (Class II medical devices).