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 Eprel 22, 2022, ọrụ JUNRAY Group's Smart Industrial Park bịanyere aka na nkwekọrịta ịbanye na mpaghara Chengyang wee malite iwu ụlọ. A na-akọ na nke a bụ mkpagharị maka JUNR...