Mugs Mugs 3M Million Nano Nano Film Bile is too big
When we are wearing a mask in the haze of the "Silent Hill", when our children even with a mask is still cough, when the PM2.5 strong to high incidence of asthma, when Beijing continues to start air pollution red warning , Beijing street, subway, the office, people are consciously brought a mask. Optimistically speaking, the Chinese people finally realized the dangers of haze, which is a very big step forward; step back, haze components are constantly "upgrade", more than a decade ago, whether the mask can resist TheHaze constantly escalating, masks are stagnant?The well-known 3M masks, its manufacturer, 3M, full name Minnesota Mining and Manufacturing (Minnesota Mining and Manufacturing Company), who designed the particulate protective masks, was originally intended to work for workshops such as mining, smelting or furnaces Help to reduce the use of inhaled toxic dust.As early as 1984, 3M entered China, but so many years later, 3M did not have any improvement in ma...
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