Ang susunod na darating:
Laser world para sa Photonics 2022, Shanghai
Abril 26-29, 2022
Mga Makasaysayang Pangyayari:
Wuhan-Optics Valley of China EXPO 2021
Shanghai-Laser World of Photonics 2021
Shengzhen-China International Optoelectronic Exposition 2021