Maka nchọpụta ntanye maka HEPA Filter, a maara nke ọma iji aerosol photometer maka nnwale. Taa, anyị ga-ewere ZR-6012 Aerosol Photometer dị ka ọmụmaatụ iji webata ụkpụrụ nchọpụta maka ...
Na August 7th. Ememe ncheta afọ 16 nke JUNRAY CO. bụ nnukwu n'obodo Qingdao. Afọ iri gara aga, Onye isi ala He Chunlei hiwere ụlọ ọrụ Junray na China.