Cold weather is a period of the high incidence of influenza, and influenza viruses are very easy to spread this season. Does going out and wearing masks in crowded places help prevent…
Whether it is anti-virus or anti-fog to block dust, cotton cloth masks are still very common in daily life. For many craft enthusiasts, it should be a particularly meaningful thing to use…
Director of the US Centers for Disease Control and Prevention: The degree of difficulty of the future epidemic is “unprecedented”At the regular press conference of the Ministry of Foreign Affairs, Foreign Ministry…
Masks are mainly divided into cotton masks, non-woven masks, polymer masks, activated carbon powder filter masks, activated carbon fiber felt masks, etc. Among them, cotton masks and non-woven masks are the most…