Kuti uone kuvuza kweHEPA Sefa, inozivikanwa kwazvo kushandisa aerosol photometer yekuyedza. ZR-6012 Aerosol Photometer yakaedzwa nemainjiniya siku nesikati. Nhasi, ichaburitswa pub...
Musi waAugust 7. mhemberero yegore regumi nematanhatu yeJUNRAY CO. yaive muguta reQingdao. Makore gumi apfuura, Mutungamiri He Chunlei akatanga kambani yeJunray kuChina.