Dukumiintiyada lagu cusboonaysiiyay bogga internetka ee FDA (Maamulka Cunnada iyo Dawooyinka ee Mareykanka) ayaa muujinaya in wadar ahaan 46 warshadood oo maaskaro ah oo Shiinaha ku sugan ay heleen oggolaanshaha isticmaalka degdegga ah (EUA).Marka laga reebo 3M Shiinaha, Fikradaha Hal-abuurka ah iyo ganacsiyada kale ee ajnabiga ah, inta kale ee shirkadaha ayaa ah wax soo saarka Shiinaha oo dhan, oo ay ku jiraan Guangdong, Shandong, Henan, Sichuan, iyo Jiangsu.Shirkadaha helay oggolaanshaha degdegga ah waxaa ka mid ah 26 waji-xidho la soo saaray iyadoo la adeegsanayo heerka Shiinaha ee KN95.

Taas ka hor, waxaa jiray shirkado liiska ku jira oo helay shahaadada CE ama FDA.Shirkadaha liiska ku jira ee ku lug leh "fikirka maaskarada" waxaa ka mid ah Ogilvy Medical, BYD, Shouhang Hi-Tech, Dayang Group, Shouhang Hi-Tech, Technology Superstar, Hongda Industrial, Xinlun Technology, Soyute, iwm.

Abriil 13, Zheng Xiaocheng, oo ah wakiilka Ogilvy Medical Securities, wuxuu sheegay in maaskarada caafimaadka Ogilvy KN95 ay ansixisay US FDA EUA (Ogolaanshaha Isticmaalka Degdegga ah).Souyute waxa uu hore u sheegay in shirkadda la iska leeyahay ee Dongguan Souyute Products Medical Products ay heshay ogeysiiska Maamulka Cuntada iyo Dawooyinka ee Maraykanka (FDA).Alaabooyinka maaskaro iyo dharka ilaalinta caafimaadka ee la tuuri karo ee ay soo saartay shirkadda wax soo saarka caafimaadku waxay waafaqsan yihiin FDA-da Mareykanka waxay u baahan tahay dhammaystirka diiwaangelinta sanadka 2020. (Wararka Maaliyadda Shiinaha)