Site na Nọvemba 15 ruo 17, mbipụta 23th nke IE expo Guangzhou ka emere nke ọma na China. Mbipụta IE expo dọtara ụlọ ọrụ 437 na ndị ọbịa azụmaahịa 18,155 isonye na e...
Maka nchọpụta ntanye maka HEPA Filter, a maara nke ọma iji aerosol photometer maka nnwale. ZR-6012 Aerosol Photometer ka ndị injinia nwalere ehihie na abalị. Taa, a ga-ahapụ ya ụlọ mmanya ...
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