3M is both the company's name and a registered trademark.3M is the Minnesota Mining and Manufacturing Company.3M is a global diversified technology company.

The anti-particulate masks sold by 3M in China are from different origins and have been certified by China Labor Safety (LA) in addition to the certification required for their origin."3M masks" refers to all products manufactured by 3M that may be called masks: such as thermal masks, anti-particulate masks (dust masks), medical protective masks, and medical surgical masks.