About CIOE

China International Optoelectronic Exposition (CIOE) is the world’s largest exhibition in optoelectronic industry. It is the first as well as the most influential optoelectronic exhibition in China. The event is an annual gathering for the global optoelectronic professionals to gather around to network with business partners and discover the future trends. CIOE presents an entire optoelectronic industry chain. It is a meeting place where you could meet the people from every corner of optoelectronics fields including optical communications, lasers, infrared Imaging, precision optics, photonics, LED, Sapphire and semiconductors.

Figures from CIOE 2016

60,000professional visitors


3,200+ optoelectronic brands

110,000 m²exhibition space

CIOE Milestones