Gateway to China's optoelectronics revolution and direct access to the heart of Asia's fastest-growing optoelectronics market.

Discover the world's most comprehensive display of optoelectronic innovations, from raw materials to cutting-edge end products.

Secure your front-row seat to trendsetting breakthroughs of optoelectronic industry.

Join 3,800+ exhibitors and 130,000+ professionals who leverage CIOE to source smarter and connect faster.

240,000 sqm Exhibition Space featuring 8 thematic zones covering the entire optoelectronics value chain.

CIOE will co-locate with the Shenzhen International Semiconductor Exhibition (SEMI-e), jointly creating a super event of 320,000 square meters for the optoelectronic technology and semiconductor industry chains.

Spanning the full semiconductor ecosystem, SEMI-e will bring together over 900 industry-leading exhibitors, featuring 5 key theme areas: advanced packaging, semiconductor core components, compound semiconductor and power device, chips and chip design, AI computing power, serving the rapidly growing chip manufacturing industry.

The dual exhibitions synergize cross-industry applications including displays, data centers, and automotive, delivering comprehensive downstream solutions through an integrated platform.