About Zhongji Innolight
Chinese maker of high-speed optical transceivers for AI data centers, with 800G and 1.6T silicon-photonics modules in volume shipment. A brokerage note put 2025 revenue near RMB 38 billion, and the company reported H1 2026 revenue of about RMB 41.8 billion. It added a Hong Kong listing on 30 July 2026 alongside its Shenzhen listing.
Zhongji Innolight was founded in 2008 and is based in Suzhou, China. It is listed under Interconnect & Networking, Photonic Computing. Its shares trade as 300308.SZ on SZSE.
Compute Technologies
- Photonics
What Zhongji Innolight works on
Interconnect & Networking
Interconnect is the set of links that move data between chips, between boards and between racks. It includes wires on a package, cables inside a server, and the network switches and optical fibre across a data center. A processor is only as useful as the speed at which it can get data in and out.
Photonic Computing
Photonic computing uses light instead of electricity to carry or process information. Photons have no charge, so light in a waveguide does not cause the resistive heating that current in a wire does, though lasers and modulators still use power, and many wavelengths can share one waveguide. The industry has two quite different parts: moving data with light, and computing with light.
Follow the share price on the stocks page (300308.SZ).
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