Dubawa Tsarin Al'adu Tawaga Sharuɗɗan nune-nunen Mai zuwa: Duniyar Laser don Photonics 2022, Shanghai Afrilu 26-29, 2022 Abubuwan Tarihi: Wurin Wuhan-Optics na China EXPO 2021 Shanghai-Laser Duniya na Photonics 2021 Shengzhen-China International Optoelectronic Exposition 2021