ZR-1630 meriri aha nke "nkenke 28.3LPM Particle Counter"!
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.