8月27日，铭普光磁盘中上涨2.03%，截至11:01，报25.12元/股，成交3.02亿元，换手率6.91%，总市值 59.03亿元。 资金流向方面，主力资金净流入1190.16万元，特大单买入1292.29万元，占比4.28%，卖出479.28万元， 占比1.59%；大单买入5934.24万元，占比19.66%，卖出5557.09万元，占比18.41%。 截至6月30日，铭普光磁股东户数6.54万，较上期增加14.93%；人均流通股2714股，较上期减少 12.96%。2025年1月-6月，铭普光磁实现营业收入8.06亿元，同比增长0.84%；归母净利润-7303.87万 元，同比增长7.78%。 分红方面，铭普光磁A股上市后累计派现4548.02万元。近三年，累计派现698.02万元。 责任编辑：小浪快报 铭普光磁今年以来股价涨7.44%，近5个交易日涨6.08%，近20日涨18.77%，近60日涨34.84%。 资料显示，东莞铭普光磁股份有限公司位于广东省东莞市石排镇东园大道石排段157号1号楼，成立日期 2008年6月25日，上市日期2017年9月29日，公司主营业务涉及从事光磁通信元器件产品的研发 ...

Core Viewpoint - Multiple listed companies in the optical valley, including YF Communication, Renfu Pharmaceutical, Changfei Fiber, Huagong Technology, and Dameng Data, have reported steady growth in their 2024 annual reports and 2025 Q1 reports, driven by technological innovation and expansion into emerging businesses [1]. YF Communication - In 2024, YF Communication achieved revenue of 28.549 billion yuan, a year-on-year increase of 39.05%, with a net profit growth of 74.06% in Q4 [2]. - The company’s optical communication and computing businesses performed exceptionally well, with the FTTR project seeing an 800% increase in contract scale and computing business revenue nearing 6 billion yuan, reflecting a compound annual growth rate of over 100% over two years [4]. - In Q1 2025, the net profit attributable to shareholders grew by 33.08%, with plans to explore new application areas such as computing and marine networks [4]. Renfu Pharmaceutical - In 2024, Renfu Pharmaceutical reported revenue of 25.435 billion yuan and a net profit of 1.33 billion yuan, maintaining steady growth [5]. - The company invested over 1.471 billion yuan in R&D, accelerating the development of innovative drug projects and obtaining approvals for nearly 20 new products [7]. - In Q1 2025, the net profit increased by 11.09%, indicating a recovery in profitability [7]. Changfei Fiber - In 2024, Changfei Fiber recorded revenue of 12.197 billion yuan and a net profit of 676 million yuan, with optical communication-related revenue reaching 11.917 billion yuan and a gross margin of 27.78% [8]. - The company achieved significant advancements in 800G ultra-high-speed optical transmission and developed a disruptive air-core fiber technology, improving signal transmission speed by approximately 47% [10]. - In Q1 2025, the net profit attributable to shareholders surged by 161.91% [10]. Huagong Technology - In 2024, Huagong Technology's revenue was 11.709 billion yuan, with a net profit of 1.221 billion yuan, reflecting year-on-year growth of 13.57% and 21.17% respectively [12]. - The company has seen rapid penetration in the photovoltaic energy storage and power battery application sectors, with significant growth in orders from the shipbuilding industry [12]. - In Q1 2025, Huagong Technology continued its growth trend, with revenue of 3.355 billion yuan, up 52.28%, and a net profit of 410 million yuan, up 40.88% [14]. Dameng Data - In 2024, Dameng Data achieved revenue of 1.044 billion yuan, a year-on-year increase of 31.49%, with a net profit growth of 22.22% [15]. - The company reported a record high gross margin of 99.69% on software product licensing revenue of 894 million yuan [15]. - In Q1 2025, Dameng Data's revenue grew by 55.61%, with a non-net profit increase of 87.92% [17].