2026 年 2 月 27 日 分析师：陈伟光 S0340520060001 电话：0769-22119430 邮箱： chenweiguang@dgzq.com.cn 周 分析师：罗炜斌 S0340521020001 电话：0769-22110619 邮箱：luoweibin@dgzq.com.cn SAC 执业证书编号： S0340524070002 电话：0769-22119302 邮箱： chenzhanqian@dgzq.com.cn 资料来源：东莞证券研究所，iFind 相关报告 超配（维持） 通信行业双周报（2026/2/13-2026/2/26） 行 业 5G SA 发展进入拐点 投资要点： 本报告的风险等级为中高风险。 本报告的信息均来自已公开信息，关于信息的准确性与完整性，建议投资者谨慎判断，据此入市，风险自担。 请务必阅读末页声明。 通信行业 SAC 执业证书编号： 通信行业指数近两周涨跌幅：申万通信板块近2周（2/13-2/26）累计上 涨4.39%，跑赢沪深300指数4.24个百分点，涨幅在31个申万一级行业中 位列第5位；申万通信板块2月累计上涨1.63%，跑赢沪深300指数1.2 ...

Core Viewpoint - Changying Tong's stock price dropped by 5.84% to 57.44 CNY per share, with a total market capitalization of 7.397 billion CNY as of the report date [1] Group 1: Company Overview - Changying Tong Optical Technology Co., Ltd. is located in Wuhan, Hubei Province, and was established on May 18, 2010, with its listing date on December 12, 2022 [1] - The company specializes in the research, production, sales, and service of optical fiber gyroscope core components, particularly optical fiber rings, and is recognized as a national-level specialized and innovative "little giant" enterprise [1] - The main business revenue composition includes: optical fiber ring devices (57.61%), special optical fibers (19.36%), other (supplementary) (11.68%), new materials (7.18%), and optical device equipment and others (4.17%) [1] Group 2: Shareholder Information - Among the top ten circulating shareholders, a fund under China Europe Fund holds 3.17% of the circulating shares, amounting to 3.0001 million shares [2] - The fund, China Europe High-end Equipment Stock Initiation A (016847), was newly added to the top ten circulating shareholders in the third quarter and has a current scale of 279 million CNY [2] - The fund has achieved a year-to-date return of 15.06% and a one-year return of 40.68%, ranking 571 out of 5574 and 1267 out of 4326 respectively [2] Group 3: Fund Holdings - The same fund, China Europe High-end Equipment Stock Initiation A (016847), reduced its holdings by 1.14 million shares in the fourth quarter, now holding 1.8601 million shares, which constitutes 4.93% of the fund's net value [3] - The estimated floating loss for the fund today is approximately 662.18 thousand CNY [3]

本公告所载2025年度主要财务数据为初步核算数据，未经会计师事务所审计，具体数据以武汉长盈通光 电技术股份有限公司（以下简称"公司"）2025年年度报告为准，提请投资者注意投资风险。 一、2025年度主要财务数据和指标 单位：万元 币种：人民币 ■ 注：1、本报告期初数同法定披露的上年年末数。 证券代码：688143 证券简称：长盈通 公告编号：2026-003 武汉长盈通光电技术股份有限公司2025年度业绩快报公告 本公司董事会及全体董事保证公告内容不存在任何虚假记载、误导性陈述或者重大遗漏，并对其内容的 真实性、准确性和完整性依法承担法律责任。 1、2025年公司围绕年度经营计划，积极开拓市场，优化产品结构，进一步提升光纤环器件产品核心竞 争力，光纤环器件、光模块等产品生产交付能力大幅提升。 2、报告期内，公司完成对武汉生一升光电科技有限公司的收购，扩大了公司现有特种光纤光缆和新型 材料在光通信领域的应用，提升了公司营收规模及整体盈利能力，有助于加快光纤陀螺光子芯片器件产 业化落地。 3、公司通过精细化管理，产品成本管理效果显现，各项费用支出有效控制，持续降本增效，提高了公 司的盈利能力。 （三）上表中有 ...

报告期内，公司利润总额变动幅度较大，主要系公司光纤环器件交付量增加，实现营业收入及毛利率提 升。 智通财经APP讯，长盈通(688143.SH)披露2025年度业绩快报，2025年度公司实现营业总收入3.98亿元， 同比增长20.32%;实现归属于上市公司股东的净利润2323.88万元，同比增长29.53%。 ...

报告期内，公司利润总额变动幅度较大，主要系公司光纤环器件交付量增加，实现营业收入及毛利率提 升。 长盈通(688143.SH)披露2025年度业绩快报，2025年度公司实现营业总收入3.98亿元，同比增长20.32%; 实现归属于上市公司股东的净利润2323.88万元，同比增长29.53%。 ...

Group 1 - The core point of the article highlights the recent decline in the stock price of Changying Tong, which fell by 5.05% to 53.36 CNY per share, with a trading volume of 162 million CNY and a turnover rate of 2.44%, resulting in a total market capitalization of 6.872 billion CNY [1] - Changying Tong is a national-level specialized and innovative "little giant" enterprise established on May 18, 2010, and listed on December 12, 2022, focusing on the research, production, sales, and service of optical fiber gyroscope core components and solutions, primarily targeting military inertial navigation applications [1] - The company's main business revenue composition includes optical fiber ring devices at 57.61%, special optical fibers at 19.36%, other supplementary products at 11.68%, new materials at 7.18%, and optical device equipment and others at 4.17% [1] Group 2 - From the perspective of major circulating shareholders, a fund under China Europe Fund, specifically the China Europe High-end Equipment Stock Initiation A (016847), has entered the top ten circulating shareholders of Changying Tong, holding 3.001 million shares, which accounts for 3.17% of the circulating shares [2] - The fund has reported a floating loss of approximately 8.5202 million CNY today, with a total scale of 322 million CNY and a year-to-date return of 12.22%, ranking 605 out of 5542 in its category [2] - The fund manager, Li Shuai, has a tenure of 10 years and 181 days, with a total asset scale of 6.56 billion CNY, achieving the best fund return of 101.5% and the worst return of -29.21% during his tenure [3] Group 3 - The China Europe High-end Equipment Stock Initiation A (016847) fund has increased its holdings in Changying Tong by 1.92 million shares in the third quarter, now holding 3.001 million shares, which represents 4.34% of the fund's net value, making it the ninth largest holding [4] - The fund has also reported a floating loss of approximately 8.5202 million CNY today, indicating the impact of the stock price decline on its performance [4]

Group 1 - The core viewpoint of the news is that Changying Technology has seen a significant increase in its stock price, rising 5.28% to 61.80 CNY per share, with a total market capitalization of 7.959 billion CNY and a cumulative increase of 18.8% over the past four days [1] - Changying Technology, established on May 18, 2010, specializes in the research, production, and sales of optical fiber gyroscope core components and solutions, focusing on military inertial navigation applications [1] - The company's main revenue sources include optical fiber ring devices (57.61%), special optical fibers (19.36%), other supplementary products (11.68%), new materials (7.18%), and optical device equipment (4.17%) [1] Group 2 - Yongying Fund has a significant holding in Changying Technology, with its fund "Yongying Qiyuan Mixed Initiation A" increasing its stake by 463,600 shares, now holding a total of 493,200 shares, representing 4.06% of the fund's net value [2] - The fund has generated a floating profit of approximately 1.529 million CNY today and 4.5821 million CNY during the four-day stock price increase [2] - The fund was established on August 28, 2023, with a current size of 15.6247 million CNY, achieving a year-to-date return of 4.6% and a one-year return of 25.91% [2]

Group 1 - The core viewpoint of the news is the significant stock performance of Changying Tong, which has seen a 7.99% increase over three consecutive days, with a current stock price of 56.16 yuan per share and a market capitalization of 7.232 billion yuan [1] - Changying Tong specializes in the research, production, and sales of optical fiber gyroscope core components and solutions, focusing on military inertial navigation applications [1] - The company's revenue composition includes optical fiber ring devices (57.61%), special optical fibers (19.36%), other supplementary products (11.68%), new materials (7.18%), and optical device equipment (4.17%) [1] Group 2 - Morgan Stanley's fund holds a significant position in Changying Tong, with the "Morgan Stanley Innovation Mixed A" fund owning 199,100 shares, representing 3.49% of the fund's net value [2] - The fund has generated a floating profit of approximately 557,400 yuan today and 786,400 yuan during the three-day stock increase [2] - The fund manager, Li Ziyang, has a tenure of 285 days, with the fund's total asset size at 255 million yuan and a best return of 35.42% during his management period [2]

Group 1 - The core viewpoint of the news is that Changying Technology has seen a significant increase in its stock price, rising 5.25% on January 9, with a total market capitalization of 7.232 billion yuan and a cumulative increase of 7.99% over three days [1] - Changying Technology specializes in the research, production, and sales of optical fiber gyroscope core components and solutions, focusing on military inertial navigation applications [1] - The company's main revenue sources include optical fiber ring devices (57.61%), special optical fibers (19.36%), and other products [1] Group 2 - Yongying Fund has a significant holding in Changying Technology, with its fund increasing its position by 463,600 shares, representing 4.06% of the fund's net value [2] - The fund has generated a floating profit of approximately 1.381 million yuan today and 1.9483 million yuan during the three-day price increase [2] - The fund manager, Shen Pinghong, has a tenure of one year, with the fund's best return during this period being 43.04% [3]

Core Viewpoint - Changying Tong experienced a 3.17% decline in stock price on November 28, with a trading volume of 247 million yuan, indicating potential volatility in the market [1] Financing Summary - On November 28, Changying Tong had a financing buy-in amount of 34.73 million yuan and a financing repayment of 16.80 million yuan, resulting in a net financing buy of 17.94 million yuan [1] - As of November 28, the total financing and securities lending balance for Changying Tong was 297 million yuan, with the financing balance accounting for 8.34% of the circulating market value, which is above the 90th percentile level over the past year [1] Company Overview - Changying Tong, established on May 18, 2010, and listed on December 12, 2022, is located in Wuhan, Hubei Province, and specializes in the research, production, and sales of optical fiber gyroscope core components and solutions [2] - The company's main business revenue composition includes optical fiber ring devices (57.61%), special optical fibers (19.36%), other (11.68%), new materials (7.18%), and optical device equipment and others (4.17%) [2] - For the period from January to September 2025, Changying Tong achieved a revenue of 269 million yuan, representing a year-on-year growth of 46.77%, and a net profit attributable to shareholders of 30.79 million yuan, reflecting a significant year-on-year increase of 933.24% [2] Dividend and Shareholder Information - Since its A-share listing, Changying Tong has distributed a total of 53.03 million yuan in dividends [3] - As of September 30, 2025, the top ten circulating shareholders include Huaxia Military Industry Safety Mixed A (002251) as the largest shareholder with 5.71 million shares, an increase of 61,400 shares from the previous period [3] - New shareholders include China Europe High-end Equipment Stock Initiation A (016847), which ranks as the fourth largest circulating shareholder with 3 million shares [3]