Zvinyorwa zvakagadziridzwa pawebhusaiti yeFDA's (US Food and Drug Administration) inoratidza kuti vanosvika makumi mana nevatanhatu vanogadzira mask muChina vakagamuchira mvumo yekushandisa emergency (EUA).Kunze kwe3M China, Creative Concepts uye mamwe mabhizinesi anopihwa mari nekunze, mamwe makambani anogadzira muChina yese, kusanganisira Guangdong, Shandong, Henan, Sichuan, uye Jiangsu.Pakati pemabhizinesi akagamuchira mvumo yekukurumidzira, masiki makumi maviri nematanhatu akagadzirwa pachishandiswa Chinese KN95 standard.

Izvi zvisati zvaitika, kwave nemakambani akanyorwa akawana CE kana FDA chitupa.Pakati pemakambani akanyorwa anobatanidzwa mu "mask concept" ndeye Ogilvy Medical, BYD, Shouhang Hi-Tech, Dayang Group, Shouhang Hi-Tech, Superstar Technology, Hongda Industrial, Xinlun Technology, Soyute, nezvimwe.

Musi waKubvumbi 13, Zheng Xiaocheng, mumiriri weOgilvy Medical Securities, akataura kuti mask yeOgilvy Medical KN95 yakabvumidzwa neUS FDA EUA (Emergency Use Authorization).Souyute akambotaura kuti kambani yeDongguan Souyute Medical Products Company yakawana chiziviso cheUS Food and Drug Administration (FDA).Zvigadzirwa zvemask uye zvipfeko zvekudzivirira zvekurapa zvinoraswa zvinogadzirwa nekambani yechigadzirwa chekurapa zvave zvinoenderana neUS FDA Inoda kupedzwa kwekunyoresa muna 2020. (China Fund News)