CIOE 2021 (The 23rd China International Optoelectronic Exposition), as the world’s leading optoelectronic exhibition, will be held at Shenzhen World Exhibition & Convention Center on September 16-18, 2021. More than 3,200 optoelectronic exhibitors will present the entire optoelectronic ecosystem including information and communication, precision optics, sensing, lasers, infrared and photonics.