尚纬股份有限公司 简式权益变动报告书 上市公司名称：尚纬股份有限公司 股票上市地点：上海证券交易所 股票简称：尚纬股份 股票代码：603333 信息披露义务人：李广元 通讯地址：四川省成都市武侯区 股权变动性质：股份减少 信息披露义务人一致行动人：李广胜 本报告签署日期：2025 年 11 月 20 日 1 信息披露义务人声明 一、信息披露义务人依据《公司法》《证券法》《收购管理办法》《公开发行 证券的公司信息披露内容格式与准则第 15 号——权益变动报告书》及其他的法 律、法规和规范性文件编制本报告书。 二、信息披露义务人签署本报告书已获得必要的授权和批准。 三、依据《公司法》《证券法》《收购管理办法》《公开发行证券的公司信 息披露内容格式与准则第15号——权益变动报告书》的规定，本报告书已全面披 露了信息披露义务人及其一致行动人在尚纬股份有限公司中拥有权益的股份变 动情况；截至本报告书签署日，除本报告书披露的信息外，信息披露义务人没有 通过任何其他方式增加或减少其在尚纬股份有限公司中拥有权益的股份。 四、本次权益变动是根据本报告所载明的资料进行的。除本信息披露义务人 及其一致行动人外，没有委托或者授权其它 ...

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。 证券代码：603333 证券简称：尚纬股份 公告编号：2025-068 尚纬股份有限公司 关于为全资子公司提供担保的公告 重要内容提示： 担保对象及基本情况 | | 被担保人名称 本次担保金额 | 3,000.00 | 安徽尚纬电缆有限公司 万元 | | | --- | --- | --- | --- | --- | | 担保对象 | 实际为其提供的担保余额 | 8,000.00 | 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） | 0.00 | | --- | --- | | 截至本公告日上市公司及其控股子公司对外担保总额（万元） | 32,500.00 | | 对外担保总额占上市公司最近一期经审计净资产的比例（%） | 15.55% | 一、担保情况概述 （一）担保的基本情况 三、担保 ...

尚纬股份公告称，股东李广元完成减持计划。本次减持前，李广元持有公司10.98%股份。9月8日公司 披露其减持计划，拟于9月30日至12月29日，通过集中竞价减持不超1%股份。截至11月20日，李广元已 通过集中竞价减持620万股，占公司总股本1%，减持总金额5084.72万元。减持后，其持股比例降至 9.98%。本次减持未违反相关规定，不触及要约收购，也不会导致公司实控人变更。 ...

Core Insights - The nuclear power cable industry is crucial for the safe and stable operation of nuclear power plants, designed to meet extreme performance requirements such as high temperature resistance, radiation resistance, and low smoke halogen-free flame retardancy [1][6][3] - China's nuclear power sector is a key support for energy structure transformation and achieving carbon neutrality goals, with a national strategy focused on the "active, safe, and orderly development of nuclear power" [1][6] - The industry is entering a high prosperity cycle driven by policies, market demand, and technological advancements, with a significant market expansion expected [1][9] Industry Overview - Nuclear power cables are specifically designed for the unique environments of nuclear power plants, requiring high insulation, temperature, radiation, and corrosion resistance [2][3] - The cables play a core role in power transmission, signal control, and system safety, making them essential components for stable power system operation [2][6] Policy Environment - The Chinese government has set ambitious targets for nuclear power capacity, aiming for 70 million kilowatts by 2025 and 131 million kilowatts by 2030, with ongoing approvals for advanced reactor projects [6][9] - Recent policies have been introduced to support the nuclear industry across various dimensions, including development planning, safety assurance, and market access [6][9] Industry Chain - The upstream of the nuclear power cable industry includes suppliers of metals and insulation materials, with domestic companies like Jiangxi Copper and China Aluminum being significant players [7] - The midstream consists of cable manufacturing, dominated by companies such as Jiangsu Shangshang Cable and Far East Group, indicating a high market concentration [7] - The downstream includes nuclear power plant construction units and equipment manufacturers, driving continuous demand for cable products [7] Current Development Status - China's nuclear power sector has seen rapid growth, with 58 operational nuclear reactors and a total installed capacity of 60.88 million kilowatts as of 2024, ranking third globally [8][9] - The industry is expected to see a market scale exceeding 3 billion yuan in 2024, with projections of reaching 3.44 billion yuan by 2025, reflecting a robust annual growth rate of approximately 12% [9][10] Competitive Landscape - The industry is characterized by a few leading domestic companies that dominate the market, such as Anhui Cable and Jiangsu Shangshang Cable, which have achieved breakthroughs in high-end product localization [10] - Other notable companies include Baosheng Co., Shangwei Co., and Hualing Cable, which contribute to the competitive landscape with their specialized cable products [10] Future Development Trends - The industry is expected to evolve through technological innovation, market expansion, and global positioning, focusing on high-end materials and smart monitoring technologies [11][12] - New application scenarios are emerging, including small modular reactors and nuclear hydrogen production, which will drive demand for specialized cables [12] - Chinese companies are anticipated to accelerate their global presence, leveraging the Belt and Road Initiative to enhance their international competitiveness [13]

Group 1 - The current railway operating mileage in Chongqing has reached 3,130 kilometers, with high-speed rail mileage at 1,356 kilometers, an increase of 517 kilometers or 62% compared to the end of the 13th Five-Year Plan [1] - By 2027, four new high-speed rail lines are expected to be completed, including Chengdu-Chongqing, Chongqing-West, Chongqing-Wanzhou, and Chengdu-Dazhou-Wanzhou [1] - The Chengdu-Chongqing high-speed rail line is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed rail network and will reduce travel time between the two cities to 50 minutes [1] Group 2 - Wangbian Electric (603191) upgraded its power distribution and control equipment business through strategic acquisition, gaining a significant market share in railway electrification traction transformers [2] - Jiao Da Tie Fa (920027) specializes in the R&D, production, and sales of intelligent products and equipment for rail transit, participating in major projects like the Sichuan-Tibet Railway and Jakarta-Bandung High-Speed Railway [2] - New筑股份 (002480) is recognized for having the most comprehensive product certification in the bridge component industry, achieving high-level domestic substitution with its large displacement bridge expansion devices [2] - Silicon Treasure Technology (300019) produces silicone sealants for high-speed rail design, known for excellent adhesion to concrete [2] - Yunda Technology (300440) supplies products to all railway bureaus and major urban rail transit operators, with its high-speed train simulation training equipment being exported overseas [2] Group 3 - Tangyuan Electric (300789) provides traction power supply, engineering, and monitoring systems to 18 railway bureaus and over 40 metro companies [3] - Shangwei Co., Ltd. (603333) supplies general electric wire and cable products for metro projects in over 30 cities, including Beijing and Shanghai, as well as various railway projects [3]

Core Insights - Shangwei Co., Ltd. reported a significant decline in revenue and net profit for the first three quarters of 2025, with revenue at 945 million yuan, down 21.12% year-on-year, and a net loss of 25.69 million yuan, a decrease of 235.22% compared to the previous year [2][3][4] Financial Performance - For the third quarter of 2025, Shangwei Co. achieved revenue of 396 million yuan, representing a year-on-year decline of 15.40% [3] - The net profit attributable to shareholders for the third quarter was 5.93 million yuan, down 72.48% year-on-year [3] - The net profit after deducting non-recurring items for the third quarter was 5.31 million yuan, a decrease of 74.87% compared to the same period last year [3] Cost Management - The decline in net profit is primarily attributed to a decrease in operating revenue and a drop in gross profit margin [4] - Sales expenses decreased by 29.20%, management expenses by 4.22%, R&D expenses by 25.83%, and financial expenses by 10.61% during the reporting period [4] Company Background - Shangwei Co. was established in July 2003 and went public in 2012, focusing on the research, production, sales, and service of special cables [4] - In May of this year, the controlling shareholder changed from Li Guangsheng to Fuhua Tongda Chemical Co., Ltd., with the actual controller changing to Zhang Hua [4]

Company Overview - Shangwei Co., Ltd. is located at 18 Yingbin Avenue, Leshan High-tech Zone, Sichuan Province, established on July 7, 2003, and listed on May 7, 2012. The company specializes in the research, production, sales, and service of special cables [1][2]. - The main business revenue composition includes special cables (91.97%), ordinary cables (5.87%), and other categories (1.42% and 0.74%) [1]. Financial Performance - For the period from January to September 2025, Shangwei Co., Ltd. achieved operating revenue of 945 million yuan, a year-on-year decrease of 21.12%. The net profit attributable to the parent company was -25.69 million yuan, a year-on-year decrease of 235.22% [2]. - Since its A-share listing, the company has distributed a total of 93.37 million yuan in dividends, with 12.26 million yuan distributed over the past three years [3]. Stock Performance - As of October 22, the stock price of Shangwei Co., Ltd. increased by 2.12%, reaching 8.19 yuan per share, with a total market capitalization of 5.09 billion yuan [1]. - The stock has risen by 47.30% year-to-date, with a 1.24% increase over the last five trading days, a 2.62% decrease over the last 20 days, and a 0.73% decrease over the last 60 days [1]. - The company has appeared on the trading leaderboard seven times this year, with the most recent appearance on July 2, where the net buying amount was 22.33 million yuan [1]. Shareholder Information - As of September 30, the number of shareholders for Shangwei Co., Ltd. was 30,000, a decrease of 22.15% from the previous period. The average circulating shares per person increased by 28.46% to 20,688 shares [2].

Core Viewpoint - Wang Zhiyang, the Vice President of Shangwei Co., Ltd., has submitted his resignation due to personal reasons, effective immediately upon receipt by the board of directors [2]. Group 1: Management Changes - Wang Zhiyang's resignation will not affect the normal operations and management of the company [2]. - Wang Zhiyang held no shares in the company at the time of his resignation [2]. - The company expresses gratitude for Wang Zhiyang's contributions during his tenure [2].

证券代码：603333 证券简称：尚纬股份 公告编号：2025-066 尚纬股份有限公司 | 姓名 | 离任职务 | 离任时间 | | | 原定任期 到期日 | | | 离任原因 | 是否继续在上 市公司及其控 | 具体职务 （如适用） | 是否存在 未履行完 毕的公开 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | | | | | | 股子公司任职 | | | | | | | | | | | | | | | 承诺 | | 王治阳 | 副总经理 | 2025 | 年 | 10 | 2028 6 | 年 | 月 | 个人原因 | 否 | - | 不存在 | | | | 月 17 | | 日 | 12 | 日 | | | | | | (二) 离任对公司的影响 根据《中华人民共和国公司法》《公司章程》等有关规定，王治阳先生的辞 职自公司董事会收到辞职报告时生效。王治阳先生的离任不会影响公司的正常运 作及经营管理。截至本公告披露日，王治阳先生未持有公司股份。 王治阳先生在任职期间恪尽职守，勤勉尽 ...

Core Viewpoint - Sunway Co., Ltd. (603333) has reported significant declines in revenue and net profit for the third quarter of 2025, indicating potential challenges in its financial performance and shareholder dynamics [4][5]. Trading Information - As of October 17, 2025, Sunway's stock closed at 7.88 yuan, down 2.11%, with a turnover rate of 1.71% and a trading volume of 106,000 shares, amounting to a transaction value of 83.94 million yuan [1]. - On the same day, the net outflow of main funds was 1.93 million yuan, accounting for 2.3% of the total transaction value, while retail investors saw a net inflow of 630,500 yuan, representing 0.75% of the total [2][5]. Shareholder Changes - As of September 30, 2025, the number of shareholders decreased to 30,000, a reduction of 8,550 or 22.15% from June 30, 2025. The average shareholding per account increased from 16,100 shares to 20,700 shares, with an average market value of 165,700 yuan [3][5]. Performance Disclosure Highlights - The third quarter report for 2025 shows a significant decline in key financial metrics: - Revenue for the third quarter was 395.68 million yuan, down 15.40% year-on-year, and year-to-date revenue decreased by 21.12% to 944.61 million yuan [4][5]. - Total profit for the quarter was 5.22 million yuan, a decrease of 79.10%, while the net profit attributable to shareholders was 5.93 million yuan, down 72.48% [4][5]. - The net cash flow from operating activities was not applicable, but year-to-date cash flow showed a negative figure of 61.28 million yuan [4][7]. Financial Metrics - The weighted average return on equity decreased by 0.72 percentage points to 0.29% for the quarter, and by 2.13 percentage points to -1.24% year-to-date [6][7]. - Total assets as of September 30, 2025, were 2.86 billion yuan, down 6.79% from the end of the previous year [12]. Shareholder Information - The top ten shareholders hold a significant portion of the company, with the largest being Fuhua Tongda Chemical Co., Ltd. at 25.35% [8][9]. - The total number of ordinary shareholders at the end of the reporting period was 30,042, with no preferred shareholders [7]. Upcoming Events - Sunway will hold a performance briefing on October 24, 2025, to discuss its half-year and third-quarter results, allowing investors to submit questions in advance [5][13].