3m is an American brand.

The 3M masks are produced by 3M Company of the United States. 3M is both the company name and a registered trademark. 3M's full name is Minnesota Mining and Manufacturing Company. Such as thermal masks, anti-particle masks, medical protective masks and medical surgical masks, etc.

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In the United States in the early 1970s, 3M Company pioneered the world's first anti-dust mask made of new particulate filter materials that covered the mouth and nose area, and was widely used Protect all types of workers who are exposed to high concentrations of dust at work, and in the following 40 years, we have continued to conduct in-depth research on particle protection technology, designing and producing a wide variety of protective masks with different functions.