Zina zomwe zikubwera:
Laser dziko la Photonics 2022, Shanghai
Epulo 26-29, 2022
Zochitika Zakale:
Wuhan-Optics Valley of China EXPO 2021
Shanghai-Laser World of Photonics 2021
Shengzhen-China International Optoelectronic Exposition 2021