证券代码：600764 证券简称：中国海防 公告编号：2025-057 中国船舶重工集团海洋防务与信息对抗股份有限公司 关于召开2026年第一次临时股东会的通知 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、准确性和完整性承担法律责任。 召开的日期时间：2026 年 1 月 22 日 10 点 00 分 召开地点：北京市海淀区昆明湖南路 72 号中船大厦 (五) 网络投票的系统、起止日期和投票时间。 股东会召开日期：2026年1月22日 本次股东会采用的网络投票系统：上海证券交易所股东会网络投票系统 (二) 股东会召集人：董事会 (三) 投票方式：本次股东会所采用的表决方式是现场投票和网络投票相结合 的方式 (四) 现场会议召开的日期、时间和地点 网络投票系统：上海证券交易所股东会网络投票系统 重要内容提示： 一、 召开会议的基本情况 (一) 股东会类型和届次 2026年第一次临时股东会 (七) 涉及公开征集股东投票权 无 二、 会议审议事项 网络投票起止时间：自2026 年 1 月 22 日 至2026 年 1 月 22 日 采用上海证券交易所网络投票 ...

2025 年 12 月 30 日，中国船舶重工集团海洋防务与信息对抗股份有 限公司（以下简称"公司"）第九届董事会第四十次会议以通讯方式召 开，会议通知及材料及时送达全体董事。本次会议由公司董事长陈远锦 先生主持，应出席会议董事 7 名，实际参会董事 7 名。本次董事会会议 的召开符合《中华人民共和国公司法》和《中国船舶重工集团海洋防务 与信息对抗股份有限公司章程》有关规定。本次会议经与会董事认真讨 论，投票表决，形成如下决议： 一、审议通过《关于 2025 年度日常关联交易执行情况及 2026 年度 日常关联交易预计情况的议案》 2026 年预计全年发生关联交易金额 330,000 万元，其中：向关联人 购买商品预计发生 50,000 万元；向关联人销售产品、商品预计发生 240,000 万元；向关联人提供服务预计发生 6,000 万元；接受关联人提 供的服务预计发生 24,000 万元；向关联人租赁或出租房产设备预计发 生 10,000 万元。 表决结果：同意 3 票，反对 0 票，弃权 0 票。 关联董事陈远锦、马晓民、田路、王松岩回避表决。 本议案已经公司董事会审计委员会事前认可，已经独立董事专门会 ...

中国海防 2026 年第一次临时股东会 中国船舶重工集团海洋防务与信息对抗股份有限公司 2026 年第一次临时股东会会议资料 二〇二六年一月 1 中国海防 2026 年第一次临时股东会 目 录 | 议案一 | 关于2025 | 年度日常关联交易执行情况及 2026 | 年度日常关联交易预计情况的议案 3 | | --- | --- | --- | --- | | 议案二 | | 关于继续签订《金融服务协议》暨确定2026 | 年度公司在财务公司存贷款及其他金融服务额度的 | | | | 关联交易议案 17 | | 2 中国海防 2026 年第一次临时股东会 议案一 关于 2025 年度日常关联交易执行情况及 2026 年度日常关联交 易预计情况的议案 各位股东及股东代表： 根据《上海证券交易所股票上市规则》《上海证券交易所上市公 司自律监管指引第 5 号——交易与关联交易》等相关要求，中国船舶 重工集团海洋防务与信息对抗股份有限公司（以下简称"公司"）在 充分考虑2025年日常关联交易实际发生情况与2026年公司及下属子 公司生产经营需要的基础上，就其与中国船舶集团有限公司（以下简 称"中船集团"），包含其控 ...

Core Viewpoint - The maritime equipment sector experienced a rise of 1.41% on December 25, with Hailanxin leading the gains, while the Shanghai Composite Index closed at 3959.62, up 0.47% [1] Group 1: Market Performance - The maritime equipment sector's individual stock performance is as follows: - Hailanxin (300065) closed at 18.26, up 2.82% with a trading volume of 475,700 shares and a transaction value of 864 million yuan - China Shipbuilding (600150) closed at 33.84, up 1.41% with a trading volume of 490,600 shares and a transaction value of 1.653 billion yuan - China Ship Defense (600685) closed at 28.48, up 2.15% with a trading volume of 226,200 shares and a transaction value of 641 million yuan [1] Group 2: Capital Flow - The maritime equipment sector saw a net inflow of 51.206 million yuan from main funds, while retail investors contributed a net inflow of 99.793 million yuan, and there was a net outflow of 151 million yuan from speculative funds [1] - The capital flow for individual stocks is detailed as follows: - China Shipbuilding (600150) had a net inflow of 83.133 million yuan from main funds, while speculative funds saw a net outflow of 58.197 million yuan - Hailanxin (300065) experienced a net inflow of 74.681 million yuan from main funds, with a net outflow of 65.424 million yuan from speculative funds [2]

证券代码：600764 股票简称：中国海防 编号：临 2025-053 中国船舶重工集团海洋防务与信息对抗股份有限公司 关于为所属子公司提供担保的进展公告 公司签署《保证合同》（25-BZ-01-016），就辽海输油融资事宜提供保证， 担保金额人民币 500 万元。 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、准确性和完整性承担法 律责任。 重要内容提示: 被担保人：中船辽海输油气设备（沈阳）有限责任公司（以下简 称"辽海输油"）为中国船舶重工集团海洋防务与信息对抗股份 有限公司（以下简称"中国海防"或"公司"）并表范围内的全 资子公司。 担保金额： 公司本次为辽海输油提供担保额为人民币 500 万元；截至本公告 披露日，公司为辽海输油提供担保金额共计人民币 2,950 万元。 本次担保不存在反担保。 公司不存在逾期对外担保情况。 一、 担保情况概述 近日，公司与中船财务有限责任公司（以下简称财务公司）北京分 公司第九届董事会第三十六次会议、2024 年年度股东大会审议通过 了《关于 2025 年度为所属子公司提供担保额度上限的议案》，同意在核 定的担 ...

Core Insights - The article discusses the development status and investment strategies of China's deep-sea technology industry, highlighting the competitive landscape and key players in the sector [1][6]. Company Overview - Major listed companies in the deep-sea technology sector include China Shipbuilding (600150.SH), China National Offshore Oil Corporation (601808.SH), and Zhenhua Heavy Industries (600320.SH), among others [1][2]. - These companies cover a wide range of areas including high-end equipment manufacturing, oil and gas exploration services, and underwater communication and detection [1][6]. Financial Performance - In the first three quarters of 2025, China Shipbuilding led the sector with over 100 billion RMB in revenue, although it faced low overall gross margins of 12.6% [5][13]. - Companies like China Haifang and ShenKai Co. demonstrated high gross margins exceeding 35%, indicating strong technical barriers in their niche markets [5][13]. - The financial metrics reveal that many companies have ROE (Return on Equity) concentrated around 3%-4%, while some, like Juyi Rigging and China Haifang, reported ROE below 2% [10][13]. Business Strategies - Companies are focusing on integrating advanced technologies such as AI, big data, and smart manufacturing into their operations [15][17]. - Leading firms are accelerating the intelligent upgrade and green transformation of deep-sea equipment, while smaller companies are innovating in underwater robotics and new marine materials [15][17]. Regional and Global Expansion - Most companies are strategically positioned along China's coast and are expanding their reach globally, particularly in Southeast Asia, Europe, and the Americas [6][7]. - This regional layout aligns with national strategies for marine power and international industrial development [6][7]. Future Development Plans - Companies are planning to invest in new technologies and expand their product lines, focusing on sustainable practices and international market penetration [16][17]. - For instance, China Shipbuilding aims to enhance its market share through mergers and acquisitions, while Zhongtian Technology is expanding its global footprint in submarine cable and marine communication systems [16][17].

Group 1 - The marine equipment sector increased by 1.55% on December 19, with Tianhai Defense leading the gains [1] - The Shanghai Composite Index closed at 3890.45, up 0.36%, while the Shenzhen Component Index closed at 13140.22, up 0.66% [1] - Key stocks in the marine equipment sector showed varied performance, with Tianhai Defense closing at 7.75, up 1.97%, and Jianglong Shipbuilding closing at 19.36, down 0.21% [1] Group 2 - The marine equipment sector experienced a net outflow of 16.086 million yuan from institutional investors and 41.6625 million yuan from retail investors, while individual investors saw a net inflow of 57.7484 million yuan [1] - Detailed fund flow data indicates that Zhongchuan Defense had a net inflow of 20.0552 million yuan from institutional investors, while Jianglong Shipbuilding faced a significant net outflow of 47.269 million yuan [2] - The overall fund flow dynamics show a mixed sentiment, with some stocks attracting retail interest despite institutional outflows [2]

Group 1 - The core viewpoint of the news is that the China Shipbuilding sector experienced a slight increase of 0.15%, ranking 8th among concept sectors, with two stocks rising and several others declining significantly [1] - The stock "Jiu Zhi Yang" saw a notable increase of 20%, reaching the daily limit, while "China Shipbuilding Defense," "China Power," and "China Shipbuilding" faced declines of 4.66%, 3.06%, and 2.96% respectively [1][4] - The main funds in the China Shipbuilding sector experienced a net outflow of 424 million yuan, with "Jiu Zhi Yang" being the only stock to attract significant net inflow of 101 million yuan [3] Group 2 - Among the stocks in the China Shipbuilding sector, "Jiu Zhi Yang" had a trading volume of 10,099.51 million yuan and a net inflow ratio of 6.21%, while "China Special Gas" had a net inflow ratio of 8.57% [3] - The stocks that faced the largest net outflows included "China Shipbuilding Defense" with a net outflow of 15,548.51 million yuan and "China Ship" with a net outflow of 28,875.41 million yuan [4]

Core Viewpoint - The maritime equipment sector experienced a decline of 1.48% on December 15, with Jianglong Shipbuilding leading the losses. The Shanghai Composite Index closed at 3867.92, down 0.55%, while the Shenzhen Component Index closed at 13112.09, down 1.1% [1]. Sector Performance - The following companies in the maritime equipment sector reported their closing prices and percentage changes: - Yaxing Dilian (601890): Closed at 10.35, down 0.86% with a trading volume of 326,400 shares and a turnover of 337 million yuan [1]. - China Shipbuilding (600150): Closed at 33.81, down 1.17% with a trading volume of 434,400 shares and a turnover of 1.475 billion yuan [1]. - Zhongli Haixun (300810): Closed at 37.96, down 1.30% with a trading volume of 24,000 shares and a turnover of 91.59 million yuan [1]. - Zhongla Defense (600685): Closed at 28.75, down 1.74% with a trading volume of 212,300 shares and a turnover of 616 million yuan [1]. - Guorui Technology (300600): Closed at 15.08, down 1.95% with a trading volume of 62,400 shares and a turnover of 94.73 million yuan [1]. - China Haifang (600764): Closed at 26.48, down 2.03% with a trading volume of 98,700 shares and a turnover of 264 million yuan [1]. - Tianhai Defense (300008): Closed at 8.01, down 2.32% with a trading volume of 1,384,600 shares and a turnover of 1.113 billion yuan [1]. - Hailanxin (300065): Closed at 17.85, down 3.25% with a trading volume of 354,500 shares and a turnover of 638 million yuan [1]. - Jianglong Shipbuilding (300589): Closed at 20.19, down 8.93% with a trading volume of 604,500 shares and a turnover of 1.245 billion yuan [1]. Capital Flow - The maritime equipment sector saw a net outflow of 623 million yuan from main funds, while retail investors contributed a net inflow of 666 million yuan. Speculative funds experienced a net outflow of 42.67 million yuan [1].

Investment Rating - The report does not explicitly state an investment rating for the underwater communication industry Core Insights - Underwater communication is primarily achieved through acoustic waves, which are currently the only viable means for medium to long-distance wireless communication in marine environments due to the high attenuation of electromagnetic and optical waves in seawater [4][5] - The underwater communication technology is experiencing significant advancements towards networking, intelligence, and comprehensive development, with a focus on low-energy routing protocols and the integration of artificial intelligence [13][14] Summary by Sections Underwater Communication Overview - Underwater wireless communication involves transmitting data through wireless carriers in aquatic environments, categorized into underwater electromagnetic, optical, and acoustic communication [2] - Acoustic communication is highlighted as the most effective method for underwater data transmission, capable of long-range communication with minimal attenuation [4] Challenges in Underwater Acoustic Communication - Major challenges include absorption attenuation, long delays, strong multipath effects, and interference from ocean noise [8][10] - The available bandwidth for long-distance underwater acoustic communication systems is often less than 1 kHz, limiting communication rates [9] Applications of Underwater Acoustic Communication - In the civilian sector, applications include marine surveys, underwater engineering, and seabed resource development, significantly enhancing data acquisition and safety monitoring [11] - In military applications, it facilitates two-way communication between surface ships and submarines, as well as anti-submarine warfare networks [12] Market Competition Landscape - The Chinese underwater acoustic communication industry is characterized by a diverse competitive landscape dominated by state-owned research institutions and military enterprises, with a rapid rise of private companies [16] - Key players include Harbin Engineering University, Chinese Academy of Sciences, and various enterprises like China Marine Defense and Wisdom Ocean Technology, which are driving innovation and market growth [17]