Ukuze kutholwe ukuvuza kwesihlungi se-HEPA, kwaziwa kahle ukusebenzisa i-aerosol photometer ukuhlola. I-ZR-6012 Aerosol Photometer ihlolwe onjiniyela imini nobusuku. Namuhla, izokhishwa i-pub...
Ngo-Agasti 7. umgubho weminyaka engu-16 we-JUNRAY CO. ubusedolobheni lase-Qingdao. Eminyakeni eyishumi edlule, uMongameli He Chunlei wasungula inkampani iJunray eChina.