证券代码：688143 证券简称：长盈通 公告编号：2025-084 武汉长盈通光电技术股份有限公司 关于为全资子公司提供担保的进展公告 本公司董事会及全体董事保证本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。 重要内容提示： 担保对象及基本情况 | | | 被担保人名称 | 武汉光谷长盈通计量有限公司（以 下简称"长盈通计量"）。 | | | | --- | --- | --- | --- | --- | --- | | 担 保 | 对 | 本次担保金额 | 1,680.00 | 万元 | | | 象 | | 实际为其提供的担保余额 | 1,680.00 | 万元 | | | | | 是否在前期预计额度内 | 是 | □否 | □不适用：_________ | | | | 本次担保是否有反担保 | □是 | 否 | □不适用：_________ | 累计担保情况 | 对外担保逾期的累计金额（万元） | 0 | | --- | --- | | 截至本公告日上市公司及其控股 | 1,680 | | 子公司对外担保总额（万元） | | | 对外担保 ...

Core Insights - The report emphasizes the importance of "globalization and AI+" in advancing high-quality development in the defense and military industry, highlighting the need for modernization and efficiency improvements in military systems [5][30][34] - The investment strategy focuses on balancing value and growth, with traditional sectors entering an S-curve evolution phase while new demands and replacements coexist [5][30] Section Summaries 1. Current Development Stage from the S-Curve Perspective - The defense and military industry is in a growth phase, with traditional sectors experiencing rapid development during the previous five-year plan, but not yet entering a slowdown [16][26] - The S-curve model indicates that the industry lifecycle includes multiple product lifecycles, with the current focus on extending product lifespans through innovation [23][24] 2. S-Curve Cycle Expansion - Global military trade remains robust, emphasizing the importance of lifecycle management from equipment to services [9][18] - The report anticipates that the demand for large aircraft and low-altitude economic activities will accelerate due to supportive policies [9][28] 3. S-Curve Cycle Evolution - Supply chain reforms are crucial for reducing costs and complexity, enhancing the focus on maintenance and repair services [9][33] - The integration of unmanned systems and intelligent technologies is expected to drive significant advancements in military capabilities [9][51] 4. New Cycle of the S-Curve: Emerging Industries - The report identifies commercial aerospace, AI, controllable nuclear fusion, quantum information, and deep-sea technology as key areas for future growth [9][57][65] - The acceleration of technological advancements and policy support is expected to unlock new market opportunities in these sectors [9][58] 5. Investment Recommendations - The report recommends focusing on companies that align with the evolving S-curve, particularly those involved in supply chain reform, maintenance, and unmanned systems [5][30] - Specific companies highlighted for investment include 航发动力, 中航高科, and 国睿科技, among others, which are positioned to benefit from these trends [6][9]

Core Insights - The defense and aerospace industry is experiencing sustained high demand, particularly in the two aircraft sectors and commercial aerospace, which are seen as new growth drivers [2][5][13] - The report highlights the increasing frequency of commercial space launches, with companies like SpaceX targeting a valuation of $1.5 trillion as they prepare for an IPO [5][14] - Investment opportunities are identified in various sectors, including domestic demand and overseas expansion, AI-driven upgrades in military technology, and the potential for new materials and technologies in aviation and space [5][15] Industry Overview - The report notes that the demand for high-end aviation equipment is expected to continue, with significant opportunities for domestic engine replacements in the civil aviation market [23] - The commercial aerospace sector is seeing a notable increase in aircraft deliveries, with a reported 44% year-on-year growth in the delivery of wide-body aircraft as of October 2025 [5][13] - The report emphasizes the importance of strategic partnerships, such as the long-term supply agreement between Yingliu Aviation and Ansaldo Energia, which marks a shift towards large-scale collaboration [5][13] Company Analysis - Companies like AVIC Shenyang Aircraft Corporation and AVIC Xi'an Aircraft Industry Group are highlighted for their potential to benefit from increased domestic and international demand [15][29] - The report discusses the strong growth prospects for companies involved in AI-driven military upgrades, recommending a focus on firms like Ruichuang Micro-Nano and AVIC Optoelectronics [15][18] - The financial outlook for key companies is optimistic, with projected earnings growth and favorable valuation metrics, such as a dynamic PE ratio of approximately 40X for Ruichuang Micro-Nano [18][19] Market Performance - The report indicates that the China Securities Military Industry Index has shown a weekly increase of 2.53%, with a year-to-date increase of 27.99% as of the report date [36] - The military sector has outperformed major indices, indicating strong investor interest and confidence in the defense and aerospace markets [36] Investment Recommendations - The report suggests focusing on companies that are well-positioned to capitalize on the expanding domestic and international markets, particularly those involved in military and aerospace technology [15][23] - Specific companies recommended for investment include AVIC Shenyang, AVIC Xi'an, and Ruichuang Micro-Nano, among others, due to their strategic positioning and growth potential [15][18][29]

（文章来源：证券日报） 证券日报网讯 12月5日，长盈通在互动平台回答投资者提问时表示，第三代光纤陀螺光子芯片已经完成 流片，正在做晶圆加工，预计明年推出样品。该产品能够大幅降低光纤陀螺成本，有效提升性能，在军 用和民用市场均有广泛前景。 ...

证券日报网讯 12月5日，长盈通在互动平台回答投资者提问时表示，公司股东人数在定期报告中有所披 露，详情请查看公司在上海证券交易所官网披露的定期报告。 （文章来源：证券日报） ...

证券日报网讯 12月5日，长盈通在互动平台回答投资者提问时表示，公司暂时没有向谷歌直接供货。 （文章来源：证券日报） ...

（文章来源：证券日报） 证券日报网讯 12月5日，长盈通在互动平台回答投资者提问时表示，公司已经加快1.6T及以上更高速率 产品的测试进度。更多通道数、更小尺寸的衍生产品是行业发展趋势。 ...

证券日报网讯12月5日，长盈通在互动平台回答投资者提问时表示，公司2025年多项研发成果陆续研发 完成，部分已经通过验证形成小批量订单。 ...

（编辑 楚丽君） 证券日报网讯 12月5日，长盈通在互动平台回答投资者提问时表示，长盈通与生一升已经组建联合研发 团队，共同推动第三代光纤陀螺光子芯片项目落地。生一升可以就该项目开发关键器件配套产品和改进 整套光子芯片加工工艺。 ...

证券之星消息，12月5日通信设备板块较上一交易日上涨1.41%，长盈通领涨。当日上证指数报收于 3902.81，上涨0.7%。深证成指报收于13147.68，上涨1.08%。通信设备板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | --- | --- | --- | --- | --- | --- | | 301191 | 菲菱科思 | 101.77 | -8.20% | 6.81万 | 6.97亿 | | 002796 | 世嘉科技 | 18.28 | -2.51% | 15.69万 | 2.89亿 | | 000063 | 中兴通讯 | 41.95 | -2.26% | 165.80万 | 69.87 Z | | 002313 | 日海智能 | 10.77 | -1.01% | 9.59万 | 1.03亿 | | 301205 | 联特科技 | 121.23 | -0.93% | 10.11万 | 12.44亿 | | 002881 | 美格智能 | 47.40 | -0.84% | 12.25万 | 5.72亿 | | 300638 | 广和通 ...