Join 4D Technology at the Shezhen World Exhibition & Convention Center!

CIOE (China International Optoelectronic Exposition) is the world’s largest and leading optoelectronic exhibition for manufacturers, vendors, and service providers to expand business scale and to enter China’s market. As the only exhibition covering the entire optoelectronic ecosystem in the world, CIOE provides a comprehensive and efficient platform for industry players from information and communication, optics, lasers, infrared, sensing, photonics, and display fields to step foot in China’s market.