• Masks, understand it through standards

    What are the standards for masks?  At present, my country's main standards for masks include GB 2626-2006 "Respiratory protective equipment self-priming filter type anti-particulate respirato

    2020/08/23 kohoo

  • What are the common masks?

    Now the most frequently mentioned masks include KN95, N95, medical surgical masks and so on.  The first is KN95 masks. According to the classification of the national standard GB2626-2006 "Respir

    2020/08/23 kohoo

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