Optical Fiber Stocks Surge as China's Exports Soar 126.8% in February

Published: Mar 31, 2026 20:16

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According to Cailian Press, the optical fiber concept rebounded amid intraday volatility, with SDGI hitting the daily limit-up after Hangdian Holding earlier touched limit-up; Zhongtian Technology, SDGI, YOFC, and TDG Holding also rose in tandem. On the news front, a research report by China Securities said that in February this year, China exported 3,779.9 mt of optical fiber worth 790 million yuan, up 63.6% and 126.8% YoY, respectively. Converted into kilometers, China’s optical fiber exports in February were about 25.2 million core-km, accounting for about 65% of China’s monthly effective optical fiber production.

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