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The 3rd Changchun International Optoelectronic Expo · Light Conference and the Chinese Optical Society Changchun Annual Conference opens
www.chinaservicesinfo.com Updated: Jun 12, 2026
The 3rd Changchun International Optoelectronic Expo · Light Conference and the Chinese Optical Society Changchun Annual Conference opens today in Changchun, bringing together 890 exhibitors and more than 50 events focused on innovation and industry collaboration.
With seven themed exhibition zones, the expo showcases the latest optoelectronic technologies and highlights the city's ambition to become a leading hub for the industry.
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