Stock for short：长盈通
Stock code：688143

The 14th Optoelectronics Industry Expo in 2023 will be held in Beijing National Convention Center from July 26-28, 2023. This Expo will continue to adhere to high standards, comprehensively presenting eight themed exhibitions: infrared low-light technology and applications, laser and intelligent manufacturing, optical communication & optical sensing and the Internet of Things, optical & precision optical manufacturing, measurement and control technology and instruments, innovative technology and experimental results, micro/nano manufacturing exhibition area, and 2022 Beijing International Semiconductor and 5G Application Exhibition. YOEC will be invited to participate in this Expo. Welcome to visit and exchange views.