The 37th China International Optics Fair (CIOF 2026)

Our Community Guidelines describe the sort of content we prohibit on Events notification. If you suspect an event may be in violation, you can report it to us so we can investigate.

• If you have a question about an event, need to resolve a dispute, or would like to request a refund, we encourage you to first contact directly.
• If you or someone else is in imminent danger as a result of an event listing, please contact your local law enforcement agency for assistance.