05/11/2020
Nan Qi Xing Graphene Face Masks N-3s for sale
Stander: ASTM Lever 2/ EN14683:2019+Ac:2019 type 1 / GB32610-2016
BFE>95%
Bacteriostat 99%
Antiviral activity rate 99.94%
Certification: CE /FDA /ISO 13485
Welcome to order!