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China International Optoelectronic Exposition - CIOE
September 9, 2026 — September 11, 2026 · 9:00 AM – 6:00 PM Unverified · Shenzhen World Exhibition & Convention Center—CIOE 2026 (Sep 9-11, Shenzhen) is the world's largest optoelectronic exposition, showcasing optical communications, laser technology, sensors, and semiconductor solutions.