Is the popularity of the steady medical masks high?

Quite high, one of the better masks on the market now has a steady medical mask, in addition, rather than the mask is famous, but also said steady medical brand is famous, last year, emergency production of a large number of masks and protective clothing to support the first line of anti-epidemic, is one of the main several medical supplies manufacturers, very social responsibility; at the same time, their masks are well made, wearing a very comfortable.