Kounga whai tiwhikete | Ko Qingdao Junray ZR-1006 te kaitirotiro pai mo te whakamaarama matūriki matūriki e tika ana nga tawhā katoa.
I te Hōngongoi 2020, te hua whetu, ZR-1006 Mask Particulate Filtration Efficiency and Air flow Resistance Tester Hua Whakataki Ko te ZR-1006 mask matūriki filtration tōtika me te rere o te hau...