ʻO ka maikaʻi i hōʻoia ʻia | ʻO Qingdao Junray ZR-1006 ka mask particulate filtration efficiency tester i kūpono nā ʻāpana āpau.
I Iulai 2020, ka huahana hōkū, ZR-1006 Mask Particulate Filtration Efficiency and Air flow Resistance Tester Product Introduction ʻO ka ZR-1006 mask particle filtration efficiency and airflow resis...