Group 1 - The military equipment sector experienced a significant rally in the afternoon of November 21, with notable stock increases [2] - Jianglong Shipbuilding surged over 15%, while Tianhai Defense rose more than 10% [2] - Other companies such as Guorui Technology, Chenxi Aviation, Yaxing Anchor Chain, Zhongtian Rocket, and Beifang Changlong also saw gains [2]

Group 1 - The marine equipment sector experienced a decline of 1.93% on November 20, with Zhongke Haixun leading the drop [1] - The Shanghai Composite Index closed at 3931.05, down 0.4%, while the Shenzhen Component Index closed at 12980.82, down 0.76% [1] Group 2 - The marine equipment sector saw a net outflow of 1.188 billion yuan from main funds, while retail investors contributed a net inflow of 1.049 billion yuan [2] - Detailed fund flow data indicates that Zhongke Haixun had a main fund net outflow of 20.89 million yuan, with retail inflows of 13.26 million yuan [2] - Other companies in the sector, such as Guorui Technology and China Shipbuilding, also reported significant main fund outflows, with Guorui Technology seeing a net outflow of 46.38 million yuan [2]

Core Viewpoint - The military equipment sector experienced a significant rise in stock prices, with several companies reaching their daily limit up [1] Group 1: Stock Performance - Jianglong Shipbuilding and China Shipbuilding Defense both hit the daily limit up [1] - Yaxing Anchor Chain previously reached the daily limit up [1] - Tianhai Defense saw an increase of over 15% [1] - Guorui Technology, Zhongke Haixun, China Marine Defense, Hailanxin, and China Shipbuilding also experienced gains [1]

Core Viewpoint - The A-share market saw a significant rise in military stocks during the afternoon session, indicating strong investor interest and potential growth in the defense sector [1] Group 1: Stock Performance - Jianglong Shipbuilding reached a 20% limit up [1] - Yaguang Technology previously hit a 20% limit up [1] - Tianhai Defense increased by over 19% [1] - Hongxiang Co. rose by over 16% [1] - Beifang Changlong gained nearly 14% [1] - Zhongke Haixun and Guorui Technology both increased by over 12% [1] - China Shipbuilding Defense and Aerospace Development reached a 10% limit up [1]

亚光科技20%涨停，江龙船艇涨超10%，北方长龙、国瑞科技、天海防务、天和防务等纷纷冲高。 (本文来自第一财经) ...

以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成投资建议。 从资金流向上来看，当日航海装备板块主力资金净流出9.53亿元，游资资金净流入1.38亿元，散户资金 净流入8.15亿元。航海装备板块个股资金流向见下表： 证券之星消息，11月18日航海装备板块较上一交易日下跌2.29%，国瑞科技领跌。当日上证指数报收于 3939.81，下跌0.81%。深证成指报收于13080.49，下跌0.92%。航海装备板块个股涨跌见下表： ...

证券代码：300600 证券简称：国瑞科技 公告编号：2025-048 常熟市国瑞科技股份有限公司 关于持股5%以上股东股份解除质押的公告 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。 常熟市国瑞科技股份有限公司（以下简称"公司"或"国瑞科技"）近日接 到股东龚瑞良先生通知，获悉其所持有本公司的部分股份解除质押。具体事项如 下： 一、股东股份质押的基本情况 | 股 东 | 名 | 是否为控股股东 | 本次解除质 | 占 其 | 所 | 占 公 | 司 | | | 质 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 称 | | 或第一大股东及 | 押股份数量 | 持 股 | 份 | 总 股 | 本 | 起始日 | 解除日期 | 权 | | | | 其一致行动人 | （万股） | 比例 | | 比例 | | | | 人 | | 龚瑞良 | | 否 | 1,750 | 31.66% | | 5.95% | | 2025/6/25 | 2025/11/6 | 刘 | | ...

每经头条（nbdtoutiao）——段睿：我与蔡磊是 "找钥匙的人"，纵使生前寻不到，也要为其他渐冻症患 者铺就近路 2024年1至12月份，国瑞科技的营业收入构成为：船舶配套设备制造占比94.31%，其他占比5.69%。 （记者 王瀚黎） 截至发稿，国瑞科技市值为46亿元。 每经AI快讯，国瑞科技（SZ 300600，收盘价：15.73元）11月18日晚间发布公告称，截至本公告日，龚 瑞良累计质押股数为3750万股，合计占其所持股份比例为67.85%。 ...

Core Points - Guorui Technology announced that shareholder Gong Ruiliang has notified the company about the release of part of his pledged shares, totaling 17.5 million shares, which accounts for 31.66% of his holdings and 5.95% of the company's total share capital [1] - The release period for the pledged shares starts on June 25, 2025, and ends on November 6, 2025, with the pledgee being Liu [1] - As of the announcement date, Gong Ruiliang holds 55.2685 million shares, representing 18.78% of the total shares, with a cumulative pledged share count of 37.5 million shares, which is 67.85% of his holdings and 12.74% of the company's total share capital [1]

Group 1 - The military equipment sector experienced fluctuations and adjustments, with notable declines in stock prices [1] - North China Long Dragon saw a drop of over 8%, indicating significant market movement [1] - Other companies such as Jieqiang Equipment, Chenxi Aviation, Construction Industry, Inner Mongolia First Machinery, and Guorui Technology also experienced declines [1]