Core Viewpoint - The stock price of Jiuzhiyang (300516) closed at 68.87 yuan on February 13, 2026, with a daily increase of 1.76%, but has seen a cumulative decline of 0.33% over the past five trading days [1][2] Market Performance - On February 13, 2026, the trading volume reached 562 million yuan, with a turnover rate of 4.48% [1] - The stock experienced a price fluctuation range of 7.15% over the last five days, with a high of 71.70 yuan and a low of 66.76 yuan [1] - The net inflow of main funds on February 13 was 22.95 million yuan, although the overall trend over the past five days showed a net outflow [1][2] Shareholder Information - As of February 10, 2026, the number of shareholders for Jiuzhiyang was 29,191, reflecting a decrease of 5.91% from the previous period [2] Business Focus - Jiuzhiyang is involved in military information technology, focusing on infrared and laser businesses, serving both military and civilian sectors [2] Institutional Insights - Market attention towards Jiuzhiyang is generally moderate, with neutral sentiment and no recent institutional research records [3] - Earnings forecasts indicate that the company is expected to achieve an earnings per share of 0.68 yuan in 2025, with a projected net profit growth of 12.96% and a revenue increase of 11.60% year-on-year [3]

（文章来源：证券日报） 证券日报网讯 2月13日，久之洋在互动平台回答投资者提问时表示，截至2026年2月10日收盘，公司股 东人数为29191户。 ...

Group 1 - Zhongke Shuguang, based in Beijing, is a leading enterprise in high-performance computing, cloud computing, and big data, with a comprehensive self-developed technology system in computing infrastructure [1][29] - The company collaborates with top research institutions to develop quantum computing supporting technologies and has launched dedicated computing infrastructure for quantum computing [1][29] - Future prospects include becoming a core service provider for quantum computing industrialization, leveraging national computing network construction and quantum technology policies [1][29] Group 2 - iFlytek, located in Hefei, is a leader in intelligent voice and AI, focusing on the integration of quantum computing and AI applications [2][30] - The company aims to optimize AI model training efficiency using quantum computing's parallel processing advantages and explores quantum algorithms in various fields [2][30] - Future developments may lead to differentiated advantages in quantum intelligent interaction and optimization algorithms [2][30] Group 3 - Hengtong Optic-Electric, based in Suzhou, is a global leader in optical communication and energy interconnection, with a significant market share in quantum communication [3][31] - The company has developed quantum key distribution (QKD) equipment and has a market share of over 40% in quantum optical cables [3][31] - Future strategies include enhancing core devices and exploring the integration of quantum communication with marine communication [3][31] Group 4 - Aerospace Electronics, located in Beijing, is a core enterprise in aerospace electronic information, focusing on quantum sensing and navigation technologies [4][32] - The company develops high-precision aerospace sensors based on quantum effects and supports the construction of space-based quantum communication networks [4][32] - Future advancements may position the company as a key supplier in aerospace quantum technology applications [4][32] Group 5 - Zhongtian Technology, based in Nantong, specializes in optical cables and renewable energy, focusing on the infrastructure for quantum key distribution networks [5][34] - The company collaborates with other quantum technology firms to provide supporting equipment for quantum communication systems [5][34] - Future efforts may include the development of specialized optical devices and solutions for quantum communication [5][34] Group 6 - Huagong Technology, located in Wuhan, is a leader in laser processing and optoelectronic devices, focusing on core optical devices needed for quantum communication [6][35] - The company aims to become a key supplier of quantum communication components and explore quantum sensing technology applications [6][35] - Future developments may enhance the company's position in the quantum communication market [6][35] Group 7 - China West Electric, based in Xi'an, focuses on quantum sensing technology applications in power systems, developing high-precision monitoring sensors [7][36] - The company aims to enhance the stability and intelligence of power systems through quantum sensing technology [7][36] - Future strategies may solidify the company's core advantages in quantum monitoring and precision measurement [7][36] Group 8 - AVIC Optoelectronics, located in Luoyang, specializes in high-precision connectors and optoelectronic components for quantum communication and computing [8][37] - The company aims to support the miniaturization and integration of quantum devices through its advanced manufacturing capabilities [8][37] - Future developments may expand the company's role in the quantum technology supply chain [8][37] Group 9 - Southern Power Grid Digital, based in Guangzhou, focuses on digital power grid solutions and quantum key distribution technology in power systems [9][38] - The company aims to establish a quantum security protection system for critical power infrastructure [9][38] - Future initiatives may position the company as a benchmark in quantum security applications within the power industry [9][38] Group 10 - China Great Wall, located in Beijing, is a leader in self-controlled computing and information security, focusing on post-quantum cryptography [10][39] - The company develops solutions to ensure information system security in the quantum computing era [10][39] - Future advancements may enhance the company's offerings in quantum security solutions [10][39] Group 11 - Kehua Data, based in Xiamen, specializes in data center infrastructure and energy management, providing power solutions for quantum computing facilities [11][41] - The company aims to become a core supplier for quantum computing infrastructure as the industry grows [11][41] - Future developments may optimize energy solutions for quantum computing centers [11][41] Group 12 - State Grid Information Communication, located in Beijing, focuses on digital power and information communication, exploring quantum key distribution in power networks [12][42] - The company aims to enhance the security of power communication networks through quantum technology [12][42] - Future strategies may solidify the company's role in promoting quantum communication applications in the power sector [12][42] Group 13 - Tiantong Co., based in Haining, specializes in magnetic materials and sapphire crystals, focusing on high-performance sapphire substrates for quantum computing [13][43] - The company aims to become a key supplier of materials essential for quantum chip manufacturing [13][43] - Future developments may expand the application of quantum materials in various quantum devices [13][43] Group 14 - Shenzhou Information, a leader in financial technology, focuses on quantum key distribution in the financial sector [14][44] - The company aims to build a quantum security financial service system to protect financial data [14][44] - Future initiatives may enhance the integration of quantum technology in financial services [14][44] Group 15 - Qiming Star, located in Beijing, is a leader in network security, focusing on the development of post-quantum cryptography technologies [15][45] - The company aims to provide comprehensive network security solutions to protect against quantum computing threats [15][45] - Future advancements may position the company as a core service provider in post-quantum security [15][45] Group 16 - Electric Science Network Security, based in Chengdu, focuses on quantum security technologies, including quantum key distribution and post-quantum cryptography [16][47] - The company aims to become a key player in quantum security for critical information infrastructure [16][47] - Future developments may enhance the company's capabilities in quantum security solutions [16][47] Group 17 - Keda Guokai, located in Hefei, focuses on the intersection of quantum computing and big data, developing algorithms for quantum data processing [17][48] - The company aims to accelerate the industrialization of quantum computing technologies [17][48] - Future initiatives may open new growth opportunities in the intelligent software industry [17][48] Group 18 - Guangdong Measurement, based in Guangzhou, specializes in calibration and testing services for quantum technology products [18][49] - The company aims to ensure the measurement accuracy and stability of quantum devices [18][49] - Future developments may position the company as a core calibration service provider in the quantum technology sector [18][49] Group 19 - Dongxin Peace, located in Zhuhai, focuses on quantum key distribution technology for IoT security applications [19][50] - The company aims to enhance the security of IoT devices and data transmission through quantum technology [19][50] - Future initiatives may solidify the company's position in the quantum security market for IoT [19][50] Group 20 - Hengbao Co., based in Zhenjiang, specializes in smart cards and financial technology, focusing on quantum security in financial transactions [20][51] - The company aims to develop quantum secure payment systems to protect financial data [20][51] - Future developments may enhance the company's offerings in quantum security applications within the financial sector [20][51] Group 21 - Datang Telecom, located in Beijing, focuses on integrated circuit design and quantum communication chip development [21][52] - The company aims to support the miniaturization and integration of quantum devices through specialized chips [21][52] - Future advancements may position the company as a key supplier in the quantum chip market [21][52] Group 22 - Guomin Technology, based in Shenzhen, focuses on post-quantum cryptography for security chips in various industries [22][54] - The company aims to ensure the security of devices and data in the quantum computing era [22][54] - Future developments may enhance the company's capabilities in the quantum security chip market [22][54]

股票代码：300516 证券简称：久之洋 公告编号：2026-005 湖北久之洋红外系统股份有限公司 关于变更签字会计师的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有 虚假记载、误导性陈述或重大遗漏。 湖北久之洋红外系统股份有限公司（以下简称"公司"）于 2025 年 10 月 27 日召开的第五届董事会第九次会议审议通过了《关于拟变更会计师事务所的议 案》，同意改聘容诚会计师事务所（特殊普通合伙）（以下简称"容诚会计师事务 所"）为公司 2025 年度审计机构。具体内容详见公司于 2025 年 10 月 29 日在巨 潮资讯网（www.cninfo.com.cn）披露的《关于拟变更会计师事务所的公告》。前 述事项已经公司 2025 年第二次临时股东会审议通过。 陈韬近三年内未曾因执业行为受到刑事处罚、行政处罚、监督管理措施和自 律监管措施、纪律处分，不存在违反《中国注册会计师职业道德守则》有关独立 性要求的情形。 近日，公司收到容诚会计师事务所出具的《关于变更湖北久之洋红外系统股 份有限公司签字注册会计师的说明函》，现将相关事项公告如下： 一、签字会计师变更情况 容诚会计师事务所作为 ...

格隆汇2月4日丨久之洋(300516.SZ)在互动平台表示，公司的星体跟踪器业务目前主要聚焦于航天防务 和商业卫星领域，目前该部分业务占公司整体营业收入的比重较小。公司将于2026年3月27日披露2025 年年度报告，公司销量数据请您届时查阅。公司积极响应国家航天强国战略，在商业航天和卫星互联网 领域进行了布局，目前聚焦于星间、星地之间通信载荷的核心部件、组件的开发和研制。 ...

Core Viewpoint - The company Jiuzhiyang (300516.SZ) has successfully applied its star tracking technology and fiber amplifiers in low Earth orbit satellites, indicating progress in its product offerings and market penetration [1] Group 1: Product Development - The star tracking technology has been implemented in low Earth orbit satellites [1] - The fiber amplifier has achieved sales in low Earth orbit satellites [1] Group 2: Financial Reporting - The company is scheduled to disclose its 2025 annual report on March 27, 2026, where sales data will be available [1] Group 3: Accounts Receivable - The company's accounts receivable is significantly impacted by various factors, including project progress, payment cycles, and proportional payments for certain projects [1]

证券日报网讯 2月3日，久之洋在互动平台回答投资者提问时表示，公司目前暂未布局激光雷达 （LiDAR）扫描建模及激光光谱（LIBS/外差）深层验证。 （文章来源：证券日报） ...

（文章来源：证券日报） 证券日报网讯 2月3日，久之洋在互动平台回答投资者提问时表示，截至2026年1月30日收盘，久之洋股 东人数为31023户。 ...

格隆汇2月3日丨久之洋(300516.SZ)在投资者互动平台表示，公司的星载光纤放大器EDFA和短波红外相 机均已和甲方单位签订研制配套合同，目前正在屡约过程中。 ...

Core Viewpoint - The company, Jiuzhiyang (300516.SZ), has not yet ventured into the fields of LiDAR scanning modeling and laser-induced breakdown spectroscopy (LIBS) for deep verification [1] Group 1 - The company is currently not involved in the development of LiDAR technology [1] - There is no current investment or strategic plan for laser spectroscopy applications [1]