＜strong＞ 3M brand masks have logo＜/strong＞

3M is not only the name of the company, but also a registered trademark and a brand logo. 3M's full name is Minnesota Mining and Manufacturing Company. 3M is a global diversified technology company. The anti-particulate mask products sold by 3M in China originate from different origins. In addition to obtaining the certification required by the place of origin, they have also obtained China Labor Safety (LA) certification. "3M masks" refers to all products produced by 3M that can be called masks: such as thermal masks, anti-particle masks (dust masks), medical protective masks and medical surgical masks, etc.