Ubwino Wotsimikizika | Qingdao Junray ZR-1006 ndiye chigoba particulate kusefera bwino tester kuti magawo onse ali oyenerera.
Mu Julayi 2020, chida cha nyenyezi, ZR-1006 Mask Particulate Filtration Efficiency and Air flow Resistance Tester Tester Product: ZR-1006 mask particle kusefera bwino komanso kukana kwa mpweya...