Core Insights - The maritime equipment sector experienced a decline of 2.05% on July 31, with Guorui Technology leading the losses [1] - The Shanghai Composite Index closed at 3573.21, down 1.18%, while the Shenzhen Component Index closed at 11009.77, down 1.73% [1] Sector Performance - Key stocks in the maritime equipment sector showed significant declines, with China Shipbuilding down 1.41% at a closing price of 34.33, and Guorui Technology down 5.71% at 17.00 [1] - The trading volume for major stocks included China Shipbuilding with 546,700 shares and Guorui Technology with 576,100 shares [1] Capital Flow - The maritime equipment sector saw a net outflow of 776 million yuan from institutional investors, while retail investors contributed a net inflow of 697 million yuan [1] - Individual stock capital flows indicated that Guorui Technology had a net outflow of 1.03 billion yuan from institutional investors, while retail investors contributed 847 million yuan [2]

7月30日，国瑞科技大宗交易成交91.82万股，成交额1153.3万元，占当日总成交额的0.85%，成交价 12.56元，较市场收盘价18.03元折价30.34%。 | 交易日期 | 证券代码 | 证券简称 | 成交价格 成交量 | | 成交全额 买方营业部 | | 卖方营业部 | | --- | --- | --- | --- | --- | --- | --- | --- | | | | | (元) | (万股/万份) (万元) | | | | | 2025-07-30 | 300600 | 国瑞科技 | 12.56 | 15.92 | 200.00 国投证券股份有限 | 中国银河证券股份 | | | | | | | | 公司连云港郁州北 | 有限公司常熟珠江 | | | | | | | | 路证券营业部 | 东路证券营业部 | | | 2025-07-30 | 300600 | 国瑞科技 | 12.56 | 16.00 | 200.96 西部证券股份有限 | 中国银河证券股份 | | | | | | | | 公司西安曲江池西 | 有限公司常熟珠江 | | | | | | | | 路证券营业部 | 东路证 ...

证券之星消息，7月30日航海装备板块较上一交易日上涨0.12%，国瑞科技领涨。当日上证指数报收于 3615.72，上涨0.17%。深证成指报收于11203.03，下跌0.77%。航海装备板块个股涨跌见下表： | 代码 | 名称 | 主力净流入(元) | 主力净占比 游资净流入(元) | | 游资净占比 散户净流入(元) | | 散户净占比 | | --- | --- | --- | --- | --- | --- | --- | --- | | 300600 | 国瑞科技 | 1.471Z | 10.88% | -1.02 Z | -7.50% | -4572.14万 | -3.38% | | 300065 | 海兰信 | 8534.43万 | 5.17% | 340.67万 | 0.21% | -8875.10万 | -5.37% | | 601890 | 亚星锚链 | 4643.07万 | 4.10% | -2326.95万 | -2.05% | -2316.12万 | -2.04% | | 300810 中科海讯 | | 2914.67万 | 7.22% | 3254.35万 | 8.06% | -61 ...

Group 1 - Military stocks experienced significant fluctuations, with Hengyu Xintong hitting the 20% daily limit increase [1] - Guorui Technology rose over 10%, while Hangfa Technology, Great Wall Military Industry, and Beifang Changlong increased by over 5% [1] - Other companies such as Yaxing Anchor Chain, Aileda, Chenxi Aviation, and China Satellite also saw gains [1]

Group 1 - The marine equipment sector increased by 0.62% on July 29, with Guorui Technology leading the gains [1] - The Shanghai Composite Index closed at 3609.71, up 0.33%, while the Shenzhen Component Index closed at 11289.41, up 0.64% [1] - Guorui Technology's stock price rose by 5.94% to 15.70, with a trading volume of 328,300 shares and a transaction value of 512 million yuan [1] Group 2 - The marine equipment sector saw a net inflow of 110 million yuan from main funds, while retail investors experienced a net outflow of 134 million yuan [2] - The table of individual stocks in the marine equipment sector shows varying performance, with notable increases in stocks like Yaxing Anchor Chain and Jianglong Shipbuilding [1][2]

Group 1 - Airo Energy (688717.SH) plans to reduce its shareholding by up to 0.78% of the total share capital within three months after 15 trading days due to personal funding needs [1] - Aopu Optoelectronics (002338.SZ) intends to reduce its shareholding by up to 240,000 shares, representing 1% of the total share capital, within 90 days after 15 trading days [1] - Placo New Materials (300811.SZ) completed a reduction of 1.01% of its shares, while shareholder Mei Jianjun reduced 8,134 shares, accounting for 0.0476% of the total share capital [1] Group 2 - Boqian New Materials (605376.SH) plans to reduce its shareholding by up to 261,600 shares, which is 1% of the total share capital, through block trading within three months after 15 trading days [1] - Boying Special Welding (301468.SZ) completed a reduction of 3.99% of its shares, totaling 394,480 shares [1] - Surveying and Mapping Co., Ltd. (300826.SZ) plans to reduce its shareholding by up to 50,000 shares, accounting for 0.03% of the total share capital, within three months after 15 trading days [1] Group 3 - Deyi Cultural Creation (300640.SZ) plans to reduce its shareholding by up to 300,000 shares, which is 0.0965% of the total share capital, within three months after 15 trading days [3] - Dingsheng New Materials (603876.SH) intends to reduce its shareholding by up to 3% of the total share capital through various trading methods within three months after 15 trading days [3] - Pan-Asia Micro透 (688386.SH) terminated its reduction plan early, having reduced 2.38% of its shares, bringing its holding to 4.95% [3] Group 4 - Guangpu Co., Ltd. (300632.SZ) plans to reduce its shareholding by up to 8,474,900 shares, which is 3% of the total share capital, within three months after 15 trading days [3] - Guorui Technology (300600.SZ) has reduced its shareholding by 7,297,300 shares, accounting for 2.48% of the total share capital, bringing its holding to 19.97% [3] - Hengtong Co., Ltd. (603223.SH) plans to reduce its shareholding by up to 21,425,600 shares, which is 3% of the total share capital, within three months after 15 trading days [4] Group 5 - Hongbao Li (002165.SZ) plans to reduce its shareholding by up to 14,705,400 shares, representing 2% of the total share capital, within three months after 15 trading days [4] - Hongquan IoT (688288.SH) reduced its shareholding by 869,977 shares, accounting for 0.86% of the total share capital, bringing its holding to 12.80% [4] - Huace Film and Television (300133.SZ) reduced its shareholding by 2.6 million shares, which is 0.14% of the total share capital, bringing its holding to 18.19% [4] Group 6 - Huada Jiutian (301269.SZ) plans to reduce its shareholding by up to 8,144,100 shares, which is 1.5% of the total share capital, within three months after 15 trading days [5] - Huqi Environmental Protection (300929.SZ) plans to reduce its shareholding by up to 1,312,500 shares and 8,800 shares by its concerted actors [5] - Huazheng New Materials (603186.SZ) plans to reduce its shareholding by up to 114,600 shares and 10,300 shares by its management [5] Group 7 - Jinan Technology (300412.SZ) plans to reduce its shareholding by up to 14,932,700 shares and 1,683,000 shares by its board member [5] - Jinma Amusement (300756.SZ) plans to reduce its shareholding by up to 4,712,000 shares, 2,017,000 shares, 508,200 shares, and 372,800 shares by its shareholders [6] - Longxin Zhongke (688047.SH) completed its reduction plan, with shareholders reducing a total of 588,000 shares [6] Group 8 - Limin Co., Ltd. (002734.SZ) completed its reduction plan, with a total reduction of 1.5 million shares, accounting for 0.3434% of the total share capital [7] - Longhua New Materials (301149.SZ) completed its reduction plan, with a total reduction of 986,600 shares, accounting for 0.2294% of the total share capital [7] - Lvtong Technology (301322.SZ) plans to reduce its shareholding by up to 4,829,300 shares, which is 3.39% of the total share capital, within three months after 15 trading days [7] Group 9 - Meidixi (688202.SH) plans to reduce its shareholding by up to 2 million shares, which is 1.49% of the total share capital, within three months after 15 trading days [8] - Nanjing Julong (300644.SZ) completed its reduction plan, with shareholders reducing a total of 62,300 shares [8] - Run Du Co., Ltd. (002923.SZ) plans to reduce its shareholding by up to 10,046,800 shares, which is 3% of the total share capital, within three months after 15 trading days [8]

Investment Rating - The report maintains a positive outlook on the defense and military industry, suggesting an increase in focus on military investments [4][5]. Core Insights - The military trade supply and demand are strongly resonating, creating a new industry landscape, with expectations for continuous progress [5]. - The military industry is entering an upward cycle, driven by domestic demand from military construction, particularly in the transition to "mechanization + informationization" and the upcoming "intelligent + unmanned" equipment [5]. - The global geopolitical changes are expanding military trade demand, with China's military products gaining recognition, leading to a strong resonance between supply and demand in military trade [5]. - The growth cycle in the military sector is expected to enhance industry valuations, with a recognition of "technological equity" in military advancements [5]. - Recommendations include increasing attention to military investments, focusing on next-generation equipment and precision-guided weapons, which are expected to see initial growth by 2025 [5]. Market Review - Last week, the Shenwan Defense and Military Index rose by 2.26%, while the CSI Military Leaders Index increased by 3.68%, outperforming the Shanghai Composite Index, which rose by 0.69% [6][4]. - The top five performing stocks in the defense and military sector were Beihua Co. (23.37%), Yingliu Co. (20.37%), Feilihua (15.98%), AVIC Shenyang Aircraft (12.78%), and Aerospace Power (11.37%) [6][13]. - The bottom five performing stocks included Changchun Yidong (-9.36%), Rongfa Nuclear Power (-6.6%), Rainbow Co. (-6.14%), Guorui Technology (-5.02%), and Galaxy Electronics (-4.66%) [6][13]. Valuation Changes - The current PE-TTM for the Shenwan Military Sector is 83.84, placing it in the upper range historically, with a valuation percentile of 71.57% since January 2014 [14]. - Valuations are slightly differentiated among sub-sectors, with aerospace and aviation equipment at a relatively high valuation since 2020 [14][19]. Key Valuation Targets - The report lists key valuation targets in the military sector, including companies like AVIC Shenyang Aircraft, AVIC Chengfei, and others, with projected net profits and PE ratios for the coming years [21].

Core Viewpoint - The major shareholder of Guorui Technology, Mr. Gong Ruiliang, has reduced his shareholding from 22.45% to 19.97%, triggering a disclosure requirement due to the change exceeding 5% [1][2]. Summary by Sections Shareholder Reduction Details - Mr. Gong Ruiliang, holding 63,943,525 shares (21.73% of total shares), planned to reduce his stake by 3% [1]. - From June 27 to July 1, 2025, he sold 2,713,209 shares (0.92%) through centralized bidding and 530,000 shares (0.18%) via block trading, bringing his total shareholding down to 20.63% [2]. - On July 17, 2025, he further reduced his holdings by 1,932,012 shares, resulting in a final ownership of 19.97% [2]. Shareholding Changes - The total number of shares held by Mr. Gong decreased from 66,065,625 to 58,768,304, reflecting a drop in ownership percentage from 22.45% to 19.97% [4]. - The total share capital of the company is reported to be 294,234,480 shares [4]. Compliance and Governance - The reduction in shareholding was consistent with previously disclosed plans, and Mr. Gong adhered to his commitments regarding the share reduction [4]. - The company assures that the changes in shareholding will not significantly impact its governance structure or ongoing operations [4].

Core Viewpoint - The report details the equity change of Changshu Guorui Technology Co., Ltd., indicating a reduction in shareholding by the information discloser, Gong Ruiliang, due to personal funding needs, with a total reduction of 8,827,034 shares, representing 3% of the company's total share capital [1][3][4]. Group 1: Equity Change Details - The information discloser, Gong Ruiliang, reduced his shareholding from 66,065,625 shares (22.45%) to 58,768,304 shares (19.97%) between August 24, 2021, and July 17, 2025 [4][6]. - The reduction was executed through both centralized bidding and block trading, with specific reductions of 2,939,921 shares at an average price of 14.04 RMB and 2,235,300 shares at an average price of 12.02 RMB [4][7]. - As of the report date, Gong Ruiliang holds 58,768,304 shares, with 55,000,000 shares pledged, and no other restrictions on rights [6][8]. Group 2: Future Plans and Compliance - Gong Ruiliang has no current plans to increase or decrease his shareholding in the next 12 months, and any future changes will be disclosed in accordance with relevant laws and regulations [3][9]. - The report confirms that there are no other significant undisclosed matters related to the equity change, ensuring compliance with disclosure obligations [8].

信息披露义务人：龚瑞良 通讯地址：常熟市常福街道****** 住所：常熟市常福街道****** 股权变动性质：减少 签署日期：2025-7-17 常熟市国瑞科技股份有限公司 简式权益变动报告书 上市公司名称: 常熟市国瑞科技股份有限公司 上市地点：深圳证券交易所 股票简称：国瑞科技 股票代码：300600 信息披露义务人声明 一、信息披露义务人依据《中华人民共和国证券法》《上市公司收购管理办 法》《公开发行证券的公司信息披露内容与格式准则第 15 号——权益变动报告 书》等相关的法律、法规和规范性文件编制本权益变动报告书。 第一节 释 义 本报告书中，除非文意另有所指，下列简称具有如下特定含义： | 释义项 | 指 | 释义内容 | | --- | --- | --- | | 信息披露义务人 | 指 | 龚瑞良 | | 上市公司 | 指 | 常熟市国瑞科技股份有限公司 | | 报告书、本报告书 | 指 | 常熟市国瑞科技股份有限公司简式权益变动报告书 | | 深交所 | 指 | 深圳证券交易所 | | 《公司法》 | 指 | 《中华人民共和国公司法》 | | 《上市规则》 | 指 | 《深圳证券交易所股票上市 ...