It is reported that Japan's Tokyo Breguet company recently developed a valve with exhaust gas (Exhausvalve)The novel labor protection mask. Its design intention is to facilitate the user to breathe.
The non-woven polar fabric layer consists of three layers of materials, and its performance conforms to the relevant provisions of DS2 Japanese standards.
Baodi's sales target is to reach 0. 1 billion yen a year.
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