Good News: ZHONGCHEN KN95 Face Mask has tested by US government that the Filtration Efficiency is more average 96%, meet and pass the standard.

Good News: ZHONGCHEN KN95 Face Mask has tested by US government that the Filtration Efficiency is more average 96%, meet and pass the standard.

Good News:

ZHONGCHEN KN95 Face Mask has tested by US government that the Filtration Efficiency is more average 96%, so meet and pass the standard.

Here is the link for your reference:

https://coronavirus.health.ok.gov/kn95s

From the test result, we could find that, there are qualified face mask and unqualified mask, and of course, ZHONGCHEN is the qualified one, please buy with confident.

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