Kuyambira Novembala 15 mpaka 17, kope la 23 la IE expo Guangzhou lidachitika bwino ku China. Kusindikiza kwa IE expo kudakopa mabizinesi 437 ndi alendo 18,155 amalonda kuti atenge nawo gawo mu ...
Kuti muzindikire kutayikira kwa HEPA Fyuluta, imadziwika bwino kugwiritsa ntchito aerosol photometer poyesa. Lero, Titenga ZR-6012 Aerosol Photometer monga chitsanzo kuti tidziwitse mfundo yodziwira ...