KN95 daim npog qhov ncauj kis kab mob; daim npog qhov ncauj kho mob pov tseg tau lees tias zoo:
- KN95, daim ntawv pov thawj CE, daim ntawv pov thawj FDA.
- Cov ntaub npog qhov ncauj kho mob pov tseg: daim ntawv pov thawj CE
Ua haujlwm ua ke los ua kom lub ntiaj teb zoo dua!
Lub sijhawm tshaj tawm: Lub Peb Hlis-27-2020