---
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/283277791.md"
description: "Fiber optic concept stocks rallied collectively, with TDii hitting the limit up. YOFC, ZTT, and HTGD also rose. The fiber optic industry has shown a trend of simultaneous growth in product volume and prices this year. A representative from a Jiangsu-based fiber optic production company stated that first-quarter production and sales volumes increased by nearly five times year-on-year, while product prices surged significantly. G.657.A2 fiber prices jumped from 32 yuan per core kilometer last year to 240 yuan this year, representing a 650% increase"
datetime: "2026-04-20T01:34:07.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/283277791.md)
  - [en](https://longbridge.com/en/news/283277791.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/283277791.md)
---

# 

Fiber optic concept stocks rallied collectively, with TDii hitting the limit up, while YOFC, ZTT, and HTGD followed. On the news front, the fiber optic industry has exhibited a prosperous trend of simultaneous growth in product volume and prices since the beginning of this year. A representative from a Jiangsu-based fiber optic production company told reporters recently that first-quarter production and sales volumes for fiber optics increased by nearly five times year-on-year, and product prices also saw a sharp rise. G.657.A2 fiber was priced at 32 yuan per core kilometer last year but reached 240 yuan this year, marking a 650% increase.

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