上海明鑫光储企业管理有限公司保证向本公司提供的信息真实、准确、完整， 没有虚假记载、误导性陈述或重大遗漏。 证券代码：603131 证券简称：上海沪工 公告编号：2026-022 上海沪工焊接集团股份有限公司 关于持股 5%以上股东权益变动触及 1%刻度的提示性 公告 上海明鑫光储企业管理有限公司（以下简称"明鑫光储"）无一致行动人。 本公司董事会及全体董事保证公告内容与信息披露义务人提供的信息一致。 重要内容提示： | 权益变动方向 | 比例增加□ | | 比例减少√ | | --- | --- | --- | --- | | 权益变动前合计比例 | 6.85% | | | | 权益变动后合计比例 | 5.69% | | | | 本次变动是否违反已作出的承 | 是□ | 否√ | | | 诺、意向、计划 | | | | | 是否触发强制要约收购义务 | 是□ | 否√ | | 一、 信息披露义务人及其一致行动人的基本信息 1. 身份类别 投资者及其一致行动人的身份 □控股股东/实际控制人及其一致行动人 √其他 5%以上大股东及其一致行动人 □合并口径第一大股东及其一致行动人（仅 适用于无控股股东、实际控制人 ...

Core Insights - The report identifies a new cycle in China's defense equipment construction driven by "steady growth in traditional military industry" and "rapid development of civilian conversion of military technology" [4] - Traditional military industry is expected to continue its systematic and long-term progress, supported by key milestones such as the centenary of the People's Liberation Army in 2027 and the modernization goals by 2035 [4] - The civilian conversion of military technology is accelerating, creating new growth opportunities in various emerging industries, significantly enhancing the industry's elasticity [4] Group 1: Domestic and International Market Dynamics - The domestic market is expected to stabilize, while the international market presents new expansion opportunities for military trade [5][17] - The "14th Five-Year Plan" is initiating a new construction cycle, with a focus on enhancing military capabilities through mechanization and information technology [7][19] - The military trade landscape is evolving, with a shift towards a more integrated and systematic approach to military exports [52][56] Group 2: Military Technology Spillover - Military technology is increasingly spilling over into civilian applications, broadening the growth space and enhancing elasticity in the military industry [70][73] - Key areas of focus include commercial aerospace, advanced aircraft engines, controllable nuclear fusion, and deep-sea technology, which are expected to drive long-term growth [4][80] - The report emphasizes the importance of technological breakthroughs and cost reductions in facilitating the transition from military to civilian applications [76] Group 3: Investment Opportunities - The report highlights specific sectors for investment, including commercial aerospace, the dual-use aircraft industry, and controllable nuclear fusion [4][19] - The commercial aerospace sector is positioned for rapid growth, supported by national policies that prioritize aerospace as a key emerging industry [80][82] - The dual-use aircraft industry is expected to benefit from a resonance of military and commercial development, enhancing overall market potential [4][19]

| 权益变动方向 | 比例增加□ | | 比例减少√ | | --- | --- | --- | --- | | 权益变动前合计比例 | 7.96% | | | | 权益变动后合计比例 | 6.85% | | | | 本次变动是否违反已作出的承 | 是□ | 否√ | | | 诺、意向、计划 | | | | | 是否触发强制要约收购义务 | 是□ | 否√ | | 证券代码：603131 证券简称：上海沪工 公告编号：2026-021 上海沪工焊接集团股份有限公司 关于持股 5%以上股东权益变动触及 1%刻度的提示性 公告 上海明鑫光储企业管理有限公司保证向本公司提供的信息真实、准确、完整， 没有虚假记载、误导性陈述或重大遗漏。 本公司董事会及全体董事保证公告内容与信息披露义务人提供的信息一致。 重要内容提示： 一、 信息披露义务人及其一致行动人的基本信息 1. 身份类别 投资者及其一致行动人的身份 □控股股东/实际控制人及其一致行动人 √其他 5%以上大股东及其一致行动人 □合并口径第一大股东及其一致行动人（仅 适用于无控股股东、实际控制人） □其他______________（请注明） 2. 信息披露义务 ...

Group 1: Gas Turbine Sector - The gas turbine sector is emphasized due to deep penetration into overseas supply chains and the dual logic of domestic aviation reform, which is expected to resonate positively[3] - The North American AIDC demand expansion, coupled with aging power grids, is leading to a structural power supply gap that is continuously increasing[6] - The global gas turbine market is highly concentrated, with GE Vernova, Siemens Energy, and Mitsubishi Heavy Industries collectively holding about 85% market share[32] Group 2: Commercial Aerospace - The commercial aerospace sector is expected to see a new round of catalysts with the successful testing of reusable rocket technology, enhancing the prospects for commercial space ventures[38] - China's G60 satellite constellation plans to launch 1,296 satellites by the end of 2027 and 15,000 by 2030, indicating a significant demand for satellite launches[51] - The application end of the aerospace sector is focusing on core components such as communication terminal basebands, RF chips, and phased array antennas, which are expected to see stable or increasing value under cost reduction trends[55] Group 3: 3D Printing - The industrial-grade 3D printing sector is poised for a breakthrough due to material cost reductions and equipment efficiency improvements, marking a significant turning point for mass adoption[58] - The consumer-grade 3D printing market is accelerating towards a creative era, driven by AI empowerment, ecosystem strengthening, and supply chain cost reductions[68] - In 2025, the export value of 3D printers from China is projected to reach 11.355 billion yuan, reflecting a year-on-year growth of 39.1%[73] Group 4: Tungsten Market - The price of tungsten has surged significantly, with 65% black tungsten concentrate reaching 800,000 yuan per ton, up 73.91% since the beginning of 2026[80] - The increase in tungsten prices is driven by tightened supply and strategic pricing, with China's export controls on tungsten and other strategic metals contributing to this trend[79] - Companies with mining assets or expectations of asset injections, such as Zhongtung High-tech and Xiamen Tungsten, are expected to benefit directly from rising tungsten prices[81]

Group 1 - China Satcom (601698) is a key player in satellite communication, holding scarce orbital positions and spectrum resources, crucial for commercial space ventures. The demand for satellite communication and data services is rapidly increasing due to the acceleration of low-orbit satellite networks and mobile direct satellite connections [1][44] - The company has a complete ground station network and high-throughput satellite resources, deeply integrated with national satellite internet projects, ensuring stable and sustainable cash flow [1][45] - With the ongoing scale-up of commercial space, the demand for satellite operation, data distribution, and industry applications continues to grow, supported by favorable policies for satellite internet [1][45] Group 2 - China Satellite (600118) focuses on the entire satellite manufacturing and application chain, covering communication, navigation, and remote sensing, making it a core player in satellite manufacturing [2][46] - The demand for small satellite launches is surging as low-orbit satellite constellations reach their peak, leading to explosive growth in satellite assembly and core component supply [2][46] - The company leverages its technological and resource advantages from the Aerospace Science and Technology Corporation, participating in major national space projects and expanding its service offerings [2][46] Group 3 - Aerospace Electronics (600879) specializes in aerospace measurement and control, covering key areas such as rocket control and satellite attitude control, with a supply rate exceeding 90% [3][47] - The demand for aerospace measurement and satellite electronics is increasing due to the rise in commercial rocket launches and large-scale low-orbit satellite networks [3][47] - The company has a strong order backlog and is actively expanding into the commercial space market, providing services to private rocket and satellite companies [3][47] Group 4 - ZTE Corporation (000063) is a global leader in communication equipment, deeply involved in the ground core network and terminal equipment for satellite internet, making it a key participant in commercial space ground systems [4][48] - The demand for satellite communication ground stations, core network equipment, and terminal chips is surging due to the acceleration of low-orbit satellite construction [4][48] - The company is leveraging its 5G and communication technology expertise to quickly enter the satellite communication field, participating in national satellite network projects and expanding into overseas markets [4][48] Group 5 - AVIC Optoelectronics (002179) focuses on high-reliability connectors and cable components, widely used in rockets, satellites, and spacecraft, making it a core supplier in commercial aerospace connection systems [5][49] - The demand for high-reliability connectors is growing as the complexity and reliability requirements of commercial aerospace equipment increase [5][49] - The company is actively expanding into the private aerospace market, providing services to commercial rocket and satellite companies, enhancing its market share [5][49] Group 6 - Aerospace Development (000547) is the only publicly listed platform for commercial aerospace under the Aerospace Science and Industry Corporation, covering the entire satellite manufacturing, operation, and ground terminal chain [6][50] - The company has seen a significant increase in commercial aerospace orders, leveraging its military qualifications and resource advantages [6][50] - With the gradual establishment of the "Tianmu-1" low-orbit meteorological satellite constellation, the company is enhancing its satellite data service capabilities [6][50] Group 7 - Guangqi Technology (002625) specializes in metamaterials, widely used in aerospace equipment for stealth and structural enhancement, making it a core player in the new materials sector of commercial aerospace [7][51] - The demand for metamaterials is continuously increasing as commercial aerospace equipment requires lightweight, stealthy, and high-performance materials [7][51] - The company is actively expanding into the civilian commercial aerospace market, providing metamaterial solutions to private rocket and satellite companies [7][51] Group 8 - Chengchang Technology (001270) is a leading supplier of spaceborne T/R chips, with a market share exceeding 70%, making it a core supplier in the commercial aerospace RF chip sector [8][53] - The demand for spaceborne T/R chips is experiencing exponential growth due to the large-scale networking of low-orbit constellations [8][53] - The company is expanding into overseas markets and entering the global commercial satellite supply chain, further enhancing its market share [8][53] Group 9 - Tianyin Electromechanical (300342) specializes in satellite attitude control star sensors, holding a market share exceeding 60%, making it a leading enterprise in core components for commercial aerospace satellites [9][54] - The demand for star sensors is robust, with each satellite requiring one, and the company is seeing significant growth in order volume due to the batch launch of low-orbit satellites [9][54] - The company is actively expanding its product layout to include other core satellite components, further enhancing its market share [9][54]

Group 1 - The company Shanghai Huguo reported that as of February 13, 2026, the number of shareholders is 58,127 [2]

Group 1 - The core transaction involved Shanghai Huguang, with a total of 100,000 shares traded on February 26, resulting in a transaction amount of 2.333 million yuan, which accounted for 0.58% of the total trading volume for that day [1][2] - The transaction price was 23.33 yuan per share, representing an 8.44% discount compared to the market closing price of 25.48 yuan [1][2]

Group 1 - AVIC Chengfei is a core subsidiary of China Aviation Industry Group, specializing in the research and development of military fighter jets and trainer aircraft, holding a leading position in the aviation equipment manufacturing sector [1] - The company has successfully provided key structural components for various domestic commercial rocket enterprises and has participated in multiple commercial space launch missions, gaining high industry recognition for its technical reliability and product stability [1] - With the accelerated development of commercial aerospace, the company is expected to benefit from the increasing demand for aerospace structural components and special materials, expanding its market share significantly [1] Group 2 - AVIC Xifei is a major manufacturer of military transport aircraft, bombers, and early warning aircraft, possessing top-tier technical strength in the aviation equipment manufacturing field [2] - The company has actively expanded its commercial aerospace business by providing core products such as structural components and lightweight parts for commercial rockets, meeting the industry's demand for high reliability [2] - As the frequency of commercial space launches continues to rise, the company aims to deepen its innovation in aerospace technology and solidify its position as a core supplier in the commercial aerospace structural component sector [2] Group 3 - Xiamen Xiangyu is a leading bulk commodity supply chain service provider, leveraging its unique location in the Xiamen Free Trade Zone to build a global logistics, trade, and financial service network [3] - The company has successfully provided fuel transportation and supply chain support services for multiple domestic commercial rocket launch missions, gaining wide recognition from industry clients [3] - With the acceleration of global commercial aerospace layout, the demand for cross-border transportation and supply chain services for aerospace materials is expected to grow significantly [3] Group 4 - Hisense Visual is a domestic leader in display technology, with a comprehensive industrial layout from panel manufacturing to terminal products, holding international leadership in high-resolution display and laser display technologies [4] - The company has provided customized display components for domestic commercial satellite projects, meeting stringent aerospace-grade requirements and gaining high recognition from aerospace enterprises [4] - As the construction of low-orbit satellite constellations accelerates, the demand for spaceborne optical equipment is expected to grow significantly, positioning the company to benefit from this trend [4] Group 5 - Far East Holdings is a leading enterprise in the cable and superconducting materials sector, with strong technical capabilities and a comprehensive industrial chain [5] - The company has successfully provided core cable products for multiple domestic commercial rocket launch missions, gaining wide recognition for its technical performance and product quality [5] - As commercial aerospace equipment evolves towards intelligence, lightweight, and high power, the demand for high-performance cables and superconducting materials is expected to continue to grow [5] Group 6 - AVIC Heavy Machinery is a core supplier in the aerospace forging sector, possessing advanced forging technology and a complete processing system [6] - The company has provided key forged products for various commercial rocket enterprises, participating in multiple key commercial aerospace launch projects [6] - With the increasing frequency of commercial rocket launches, the demand for high-end alloy forgings is expected to continue to rise, allowing the company to expand its production capacity in this area [6] Group 7 - Taiyuan Iron and Steel is a leading enterprise in the stainless steel industry, with global-leading production technology and a large capacity scale [7] - The company has provided core stainless steel materials for multiple domestic commercial aerospace projects, meeting aerospace-grade standards and gaining recognition from aerospace enterprises [7] - As the demand for high-end stainless steel and special alloy materials continues to grow, the company plans to deepen its research and development in aerospace-specific materials [7] Group 8 - Jiugang Hongxing is a leading enterprise in the steel industry in Northwest China, with a complete steel production industrial chain [8] - The company has provided customized steel products for several commercial aerospace projects, gaining industry recognition for its technical performance [8] - With the scale development of commercial aerospace equipment, the demand for high-strength steel is expected to continue to grow, prompting the company to optimize its production processes [8] Group 9 - Wind Power Equipment and Aerospace Supporting Equipment is a key enterprise in the field, with strong technical capabilities and a comprehensive production system [9] - The company has provided structural components for commercial rockets and precision processing parts for aerospace ground equipment, gaining industry recognition [9] - As the frequency of commercial rocket launches increases, the demand for precision structural components is expected to continue to grow [9] Group 10 - Yiyang Technology is a leading enterprise in the field of high-end castings and forgings, with a complete production system [10] - The company has provided engine castings for domestic commercial rocket enterprises, participating in the supply of satellite thrusters [10] - With the development of commercial rockets towards high thrust and reusability, the demand for high-temperature alloy castings is expected to continue to grow [10]

Group 1 - The company, Shanghai Huguang, stated that its operational status is normal and it is strictly adhering to information disclosure obligations [2] - The company confirmed that there is no significant information that should have been disclosed but was not [2]

Core Viewpoint - The company anticipates a decline in operating revenue and gross profit for the fiscal year 2025 due to market conditions, leading to a projected net loss attributable to shareholders [2] Group 1: Financial Performance - The company expects a certain decrease in operating revenue and gross profit compared to the previous year due to market environment factors [2] - The poor performance of associated companies has resulted in an increase in investment losses compared to the previous year [2] - The company will face additional impacts from tax payments and asset impairment, contributing to the expected net loss [2] Group 2: Future Strategy - The company plans to actively respond to market changes by further integrating internal and external resources [2] - The company aims to enhance internal management levels to adapt to changes in the market environment [2] - The company will adhere to a prudent management approach to maintain business stability [2]