Thaum Lub Cuaj Hlis 9, 2020, Suav 22nd CIOE Expo qhib loj heev hauv Shenzhen International Convention thiab Exhibition Center.
Nyob rau lub sijhawm no, peb lub tuam txhab tau lees tias muaj kev sib raug zoo nrog kev ua haujlwm ntawm cov khoom siv thev naus laus zis los ntxiv cov khoom siv rau kev ntxiv dag zog rau cov kab ntau lawm.
