Canton Fair 2020 yuav muaj nyob rau lub Rau Hli 15th txog rau 24th rau lub sijhawm 10 hnub.Lub rooj muag khoom online ntawm peb cov khoom siv ultrasonic yog nyob rau hauv daim ntawv thov thiab kev npaj, thiab peb yuav ceeb toom rau koj raws sijhawm yog tias muaj kev vam meej.