Cov ntaub ntawv hloov kho tshiab ntawm FDA lub vev xaib (US Food and Drug Administration) lub vev xaib qhia tias tag nrho 46 lub npog ntsej muag hauv Suav teb tau txais kev tso cai siv thaum muaj xwm txheej ceev (EUA).Tsuas yog 3M Tuam Tshoj, Cov Tswv Yim Tsim Nyog thiab lwm cov tuam txhab nyiaj txiag txawv teb chaws, cov tuam txhab lag luam yog cov chaw tsim khoom thoob plaws Suav teb, suav nrog Guangdong, Shandong, Henan, Sichuan, thiab Jiangsu.Ntawm cov tuam txhab uas tau txais kev tso cai thaum muaj xwm txheej ceev, 26 lub qhov ncauj qhov ntswg tau tsim los siv Suav KN95 tus qauv.

Ua ntej no, muaj cov tuam txhab teev npe uas tau txais daim ntawv pov thawj CE lossis FDA.Ntawm cov tuam txhab teev npe koom nrog "lub tswv yim npog" yog Ogilvy Medical, BYD, Shouhang Hi-Tech, Dayang Group, Shouhang Hi-Tech, Superstar Technology, Hongda Industrial, Xinlun Technology, Soyute, thiab lwm yam.

Lub Plaub Hlis 13, Zheng Xiaocheng, tus neeg sawv cev ntawm Ogilvy Medical Securities, tau hais tias Ogilvy Medical KN95 daim npog ntsej muag tau pom zoo los ntawm US FDA EUA (Kev Tso Cai Siv Kub Kub).Souyute yav dhau los tau hais tias lub tuam txhab ua lag luam tag nrho Dongguan Souyute Medical Products Company tau txais daim ntawv ceeb toom ntawm US Food and Drug Administration (FDA).Cov khoom siv npog ntsej muag thiab cov khaub ncaws tiv thaiv kev kho mob pov tseg uas tsim los ntawm lub tuam txhab cov khoom kho mob tau ua raws li US FDA Xav kom ua tiav cov ntawv sau npe hauv 2020. (Tuam Tshoj Fund Xov Xwm)