
May 16 , 2020
Meet TPPTL testing standards
The KN95 masks comply with standard GB 2626-2019(KN95 grade), The performance is tested on your sections: the Filtering efficiency, is over >95%.
May 16 , 2020
The KN95 masks comply with standard GB 2626-2019(KN95 grade), The performance is tested on your sections: the Filtering efficiency, is over >95%.