How about a mask from Jun Lao Le

Jun Lao Le's masks are of wrong quality.

But Jun Lao Le company is a temporary license, medical device registration certificate expires in June this year.

Medical device registration is the process of systematically evaluating the safety and efficacy of medical devices to be marketed for sale and use in accordance with legal procedures to decide whether to agree to their sale and use. It is divided into domestic medical device registration and overseas medical device registration, overseas medical devices whether it is a class, class II, class III to the State Food and Drug Administration in Beijing for: domestic class I, II medical devices in the local provincial or municipal food and drug supervision bureau for, class III to the State Food and Drug Administration for. The medical device registration certificate refers to the legal identity card of the medical device product.