Pwochen an ap vini:
Mond lazè pou fotonik 2022, Shanghai
26-29 avril 2022
Evènman istorik:
Wuhan-Optics Valley of China EXPO 2021
Shanghai-Laser World of Photonics 2021
Shengzhen-Lachin Entènasyonal Optoelektwonik Ekspozisyon 2021