Ka 1990, Jiande Chaomei Daily Chemicals Co., Ltd. e thehiloe e le sebapali se etelletseng pele tlhahisong ea limaske tsa boleng bo holimo tsa ts'ireletso ea motho (PPE) naheng ea China. Ka tekanyo ea boemo ba pele le boitlamo ba ho sebetsa hantle, Chaomei e se e tšoana le lihlahisoa tsa boemo bo holimo tse etelletsang polokeho le boiketlo pele ho tsohle.
Ka pele ho sehlopha se khahlang sa Chaomei ke mefuta ea bona ea limaske tsa lerole tsa K95. Li-mask tsena li fana ka tšireletso e phahameng khahlanong le likaroloana tse tsamaisoang ke moea, e leng se etsang hore e be ntho e hlokahalang bakeng sa batho ba sebetsang libakeng tse lerōle kapa tse kotsi. Li-mask tsena li entsoe ho nahanoa ka boiketlo ba motho ea li roalang, li bobebe ebile li phefumoloha, 'me li etsa bonnete ba hore li apara nako e telele ntle le ho senya ts'ireletso.
Joaloka moetsi ea tšepahalang le morekisi oa limaske tsa boemo ba bongaka, Chaomei o motlotlo ka ho fana ka lihlahisoa tse fapaneng ho fihlela litlhoko tse fapaneng tsa bareki ba bona. Ho tloha ho limaske tsa sefahleho tse sirelletsang tse ka lahloang ho isa likhethong tse sa lohiloeng, Chaomei e u koahetse litlhoko tsohle tsa hau tsa PPE.
E 'ngoe ea lihlahisoa tse hlahelletseng tsa Chaomei ke mask a F-Y1-A American Standard, e fihlelang litekanyetso tsa boleng bo holimo mme e fana ka tšireletso e tšepahalang khahlano le likaroloana tse kotsi. Ho feta moo, mask a bona a Moralo oa feshene a Blue Sterile Fluid Resistant Medical Surgical e kopanya setaele le ts'ebetso, ho netefatsa hore o lula o bolokehile ntle le ho tela maikutlo a hau a feshene.
Bakeng sa ba batlang khetho e bonolo haholoanyane ea tikoloho, Chaomei's Fashion Cotton Custom Washable Pm2.5 Anti Pollution Dust Wind Proof Respirator mask ke khetho e tsebahalang. E entsoe ka thepa e tšoarellang, mask ena a ka hlatsuoa le ho sebelisoa hape, a fokotsa litšila le tšusumetso ea tikoloho.
Lefatšeng la kajeno, moo polokeho e leng bohlokoa haholo, ho tsetela ho maske oa lerōle oa boleng bo holimo oa K95 ho ke ke ha buisanoa. Ka boitlamo ba Chaomei ba bokhabane le boqapi, o ka ts'epa hore o fumana ts'ireletso e ntle ka ho fetisisa e ka khonehang. Se ke oa inehela ho polokeho - khetha Chaomei bakeng sa litlhoko tsohle tsa hau tsa PPE.
