9月21日，港股光通信股走强，截至发稿，俊知集团(01300.HK)涨12.20%，长飞光纤光缆(06869.HK)涨4.64%，剑桥科技(06166.HK)涨3.44%。（文章来源：每日经济新闻）
Source Link9月21日，港股光通信股走强，截至发稿，俊知集团(01300.HK)涨12.20%，长飞光纤光缆(06869.HK)涨4.64%，剑桥科技(06166.HK)涨3.44%。（文章来源：每日经济新闻）
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