---
title: "CPO Breakthrough Sends China Communication Equipment Index Up 5.78%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293288919.md"
description: "China's communication equipment index rose 5.78% on July 21, 2026, driven by a CPO breakthrough. Xizi Technology launched a full-stack optical computing strategy and unveiled a domestically developed 51.2T CPO switch prototype with Centec Networks. This marks a breakthrough in full domestic production of core components for high-end AI optoelectronic co-packaged equipment, filling a key interconnect gap for large-scale intelligent computing clusters."
datetime: "2026-07-21T04:57:48.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293288919.md)
  - [en](https://longbridge.com/en/news/293288919.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293288919.md)
generator: "portal-rs"
---

# CPO Breakthrough Sends China Communication Equipment Index Up 5.78%

China's communication equipment index (931160) rose 5.78% by the midday close on July 21, 2026, with Longsail Bochuang up 9.95%, Zhongji Innolight up 9.55%, and Star-Net up 9.22%, while Dingtong Technology and Eoptolink also advanced. Jiemian News reported that Xizi Technology formally launched a full-stack optical computing strategy covering optical computing, optical interconnect and optical switching, and unveiled a domestically developed 51.2T CPO switch prototype co-developed with Centec Networks. The company said the prototype marks a breakthrough in full domestic production of core components for high-end AI optoelectronic co-packaged equipment and fills a key interconnect gap for large-scale intelligent computing clusters.

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**