Core Viewpoint - Hongsheng Co., Ltd. is a leading enterprise in the field of aluminum plate fin heat exchangers, with strong R&D and manufacturing capabilities [1] Group 1: Business Performance - In Q3 2025, Hongsheng achieved a revenue of 554 million yuan, ranking 35th out of 51 in the industry, with the industry leader, Juxing Technology, generating 11.156 billion yuan [2] - The main business composition includes heat exchangers at 324 million yuan (90.46%), lithium battery PACK at 16.59 million yuan (4.64%), and other segments [2] - The net profit for the same period was 64.36 million yuan, ranking 24th in the industry, with the industry leader's net profit at 2.211 billion yuan [2] Group 2: Financial Ratios - As of Q3 2025, Hongsheng's debt-to-asset ratio was 30.85%, lower than the industry average of 38.24% [3] - The gross profit margin for the period was 25.50%, which is below the industry average of 26.36% [3] Group 3: Management and Shareholder Information - Chairman Niu Faqing's salary for 2024 is 620,500 yuan, a slight increase from 618,700 yuan in 2023 [4] - The number of A-share shareholders increased by 32.42% to 13,300 as of September 30, 2025, while the average number of shares held per shareholder decreased by 24.48% [5] Group 4: Market Opportunities - Hongsheng is entering the liquid cooling equipment industry through a joint venture with Suzhou Hexin, indicating growth potential in this new market [5] - The company has identified market opportunities in traditional fields such as engineering machinery, wind power, and data centers, leveraging its partnerships and product advantages [5]

Core Viewpoint - Hongsheng Co., Ltd. (603090) announced on the evening of October 30 that it has no overdue guarantees [1] Company Summary - Hongsheng Co., Ltd. confirmed the absence of any overdue guarantees in its recent announcement [1]

1. 审议通过《关于2025年第三季度报告的议案》； 公司严格按照各项财务规章制度规范运作，公司2025年第三季度报告真实、 准确、完整地反映了公司的实际情况。 本议案已经公司第五届董事会审计委员会第八次会议审议通过，并同意将此 项议案提交公司董事会审议。 证券代码：603090 证券简称：宏盛股份 公告编号：2025-029 无锡宏盛换热器制造股份有限公司 第五届董事会第十次会议决议公告 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个别及连带责任。 一、董事会会议召开情况 无锡宏盛换热器制造股份有限公司（以下简称"公司"）第五届董事会第十 次会议于 2025 年 10 月 30 日在公司会议室以现场表决的方式召开。会议通知已 于 2025 年 10 月 20 日通过直接送达、电子邮件或者其他方式向全体董事发出并 得到全体董事的确认。应出席会议的董事共 5 名，实际出席会议董事 5 名。会议 由公司董事长钮法清先生主持，公司高级管理人员列席会议。会议的召集和召开 程序符合有关法律、行政法规、部门规章、规范性文件和《公司章程》的规定。 ...

Financial Performance - The company's operating revenue for the third quarter was ¥196,394,175.46, a decrease of 1.81% compared to the same period last year[4] - The total profit for the quarter was ¥20,613,229.27, reflecting a slight decrease of 0.19% year-on-year[4] - The net profit attributable to shareholders was ¥18,586,977.66, an increase of 9.15% compared to the same quarter last year[4] - The net profit attributable to shareholders after deducting non-recurring gains and losses was ¥18,358,818.56, up 28.76% year-on-year[4] - The basic earnings per share for the quarter was ¥0.18, with a year-to-date increase of 33.33%[5] - Total operating revenue for the first three quarters of 2025 reached CNY 554,275,040.65, an increase of 6.4% compared to CNY 519,338,433.76 in the same period of 2024[16] - Net profit for the first three quarters of 2025 was CNY 64,358,147.64, up 32.2% from CNY 48,659,037.30 in the first three quarters of 2024[17] - Basic earnings per share for the first three quarters of 2025 were CNY 0.64, compared to CNY 0.48 in the first three quarters of 2024, representing a growth of 33.3%[18] - The total comprehensive income for the first three quarters of 2025 was CNY 64,598,674.37, an increase from CNY 48,346,402.98 in the same period of 2024[18] Assets and Liabilities - The total assets at the end of the reporting period were ¥910,600,778.32, representing a 3.54% increase from the end of the previous year[5] - The total current assets as of September 30, 2025, amounted to ¥599,960,006.38, an increase from ¥577,790,184.51 as of December 31, 2024, reflecting a growth of approximately 3%[13] - Total assets reached ¥910,600,778.32, compared to ¥879,505,893.87 at the end of 2024, marking an increase of about 3.5%[14] - Total liabilities decreased slightly to ¥280,914,469.61 from ¥284,418,259.53, a reduction of approximately 1.6%[15] - The company's total equity remained stable at ¥629,686,308.71, unchanged from the previous period[15] - The company's total liabilities and equity amounted to CNY 910,600,778.32 in 2025, reflecting a 3.5% increase from CNY 879,505,893.87 in 2024[16] Cash Flow - The cash flow from operating activities for the year-to-date was ¥77,525,515.17, showing a decrease of 11.50%[5] - The net cash flow from operating activities for the first three quarters of 2025 was CNY 77,525,515.17, down 11.5% from CNY 87,595,074.64 in the first three quarters of 2024[22] - Net cash flow from financing activities was -$25.59 million, an improvement from -$59.42 million in the previous period[24] - The net increase in cash and cash equivalents was $37.83 million, significantly higher than $9.95 million in the prior period[24] - The ending balance of cash and cash equivalents reached $193.10 million, up from $165.16 million at the end of the previous period[24] Shareholder Information - The number of ordinary shareholders at the end of the reporting period was 13,323[10] - The company has not reported any significant changes in shareholder relationships or actions among the top shareholders[12] Investments and Expenses - Research and development expenses for the first three quarters of 2025 were CNY 24,157,548.41, compared to CNY 22,852,329.61 in the same period of 2024, indicating an increase of 5.7%[16] - The company reported an investment income of CNY 648,200.71 for the first three quarters of 2025, significantly higher than CNY 92,264.32 in the same period of 2024[17] Market Strategy - The company plans to continue expanding its market presence and investing in new technologies to drive future growth[23]

证券代码：603090 证券简称：宏盛股份 公告编号：2025-032 无锡宏盛换热器制造股份有限公司 关于全资子公司对参股公司增资暨关联交易的公告 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： 投资标的名称：无锡和宏智散热科技有限公司（以下简称"无锡和宏智"）。 投资金额：无锡宏盛换热器制造股份有限公司全资子公司无锡宏盛换热系统有 限公司与苏州和信精密科技股份有限公司拟以现金方式向无锡和宏智同比例增资，本 次增资总额为 3000 万元，无锡宏盛换热系统有限公司出资 1470 万元，苏州和信精密 科技股份有限公司出资 1530 万元，增资后各方持股比例不变。 本次交易构成关联交易：公司董事兼高管王立新先生担任无锡和宏智的董 事。公司全资子公司持有无锡和宏智 49%的股权，根据《企业会计准则第 36 号 ——关联方披露》的相关规定，无锡和宏智为公司的联营企业，为公司的关联法人， 公司本次对无锡和宏智增资事项构成关联交易。 本次交易未构成重大资产重组。 至本次关联交易为止，过去 12 个月公司未向无锡和宏智增资。 ...

累计担保情况 证券代码：603090 证券简称：宏盛股份 公告编号：2025-033 无锡宏盛换热器制造股份有限公司 关于为全资子公司向银行申请长期贷款提供担保的 公告 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： 担保对象及基本情况 | | | 被担保人名称 本次担保金额 | 5,000.00 | 无锡宏盛换热系统有限公司 万元 | | | --- | --- | --- | --- | --- | --- | | 担 | 保 对 | | | | | | 象 | | 实际为其提供的担保余额 | 7,700.00 | 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：_________ | | 对外担保逾期的累计金额（万元） | 0 | | --- | --- | | 截至本公告日上市公司及其控股 | 11,536.63 | | 子公司对外担保总额（万元） | | | 对外担保总额占上市 ...

重要内容提示： 无锡宏盛换热器制造股份有限公司 关于召开 2025 年第三季度业绩说明会的公告 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。 无锡宏盛换热器制造股份有限公司（以下简称"公司"）已于 2025 年 10 月 31 日发布公司 2025 年第三季度报告，为便于广大投资者更全面深入地了解公司 2025 年第三季度经营成果、财务状况，公司计划于 2025 年 12 月 01 日(星期一) 15:00-16:00 举行 2025 年第三季度业绩说明会，就投资者关心的问题进行交流。 证券代码：603090 证券简称：宏盛股份 公告编号：2025-031 三、 参加人员 公司董事长、总经理：钮法清先生 公司董事会秘书、财务总监：龚少平先生 一、 说明会类型 本次投资者说明会以网络互动形式召开，公司将针对 2025 年第三季度的经 营成果及财务指标的具体情况与投资者进行互动交流和沟通，在信息披露允许的 范围内就投资者普遍关注的问题进行回答。 二、 说明会召开的时间、地点 （一） 会议召开时间：2025 年 12 月 01 日 ...

Core Viewpoint - Hongsheng Co., Ltd. has experienced a significant stock price increase of 9.94% over the past three days, with a current price of 57.40 CNY per share and a market capitalization of 5.74 billion CNY [1] Company Overview - Hongsheng Co., Ltd. is located in Wuxi, Jiangsu Province, and was established on December 25, 2000. The company went public on August 31, 2016. Its main business includes the research, design, production, and sales of aluminum plate-fin heat exchangers, cryogenic equipment, and related products [1] - The revenue composition of the company is as follows: heat exchangers account for 90.46%, lithium battery PACK for 4.64%, other (supplementary) for 2.88%, thermal management systems for 1.82%, and cryogenic equipment for 0.20% [1] Shareholder Information - Noan Fund's Noan Multi-Strategy Mixed A (320016) has entered the top ten circulating shareholders of Hongsheng Co., Ltd. in the second quarter, holding 433,000 shares, which is 0.43% of the circulating shares. The estimated floating profit today is approximately 1.1951 million CNY, with a total floating profit of 2.139 million CNY during the three-day increase [2] - Noan Multi-Strategy Mixed A (320016) was established on August 9, 2011, with a current scale of 1.855 billion CNY. The fund has achieved a return of 68.91% this year, ranking 425 out of 8,155 in its category, and a return of 79.81% over the past year, ranking 235 out of 8,029 [2]

Investment Rating - The report assigns an "Accumulate" rating for the company, marking the first coverage of the stock [5]. Core Views - The company is a leader in the aluminum plate-fin heat exchanger market and is entering the liquid cooling sector for data centers, which opens up new growth opportunities [2][16]. - The company has a strong technical foundation and customer resources, which are expected to drive growth in both traditional and emerging markets [16][24]. - The demand for efficient and energy-saving heat exchange solutions is surging due to the rapid growth of AI server computing power, aligning the company's capabilities with industry trends [5]. Summary by Sections 1. Company Overview - Founded in 2000, the company focuses on manufacturing aluminum plate-fin heat exchangers for various industries, including air compressors and engineering machinery [2][16]. - The establishment of a joint venture with Suzhou Hexin Precision Technology marks the company's entry into the liquid cooling equipment sector, which is significant for business expansion [2][16]. 2. Traditional Markets - The company has diversified applications in various sectors, including engineering machinery, wind power, compressors, and diesel engines, with significant market potential in each [3][4]. - The engineering machinery market is projected to have a cooling system market space of approximately $14 billion in 2024, driven by the recovery in demand and the electrification trend [3][37]. - The wind power sector is expected to see a cooling system market space of around 14.7 billion yuan in 2024, benefiting from industry recovery and technological upgrades [4][41]. - The compressor market is estimated to reach approximately $9.8 billion in 2024, with traditional and AI data center demands driving growth [4][46]. - The diesel engine market for data centers is projected to reach 74.9 billion yuan by 2028, indicating substantial growth potential [4][59]. 3. Data Center Sector - Liquid cooling technology is essential for addressing heat dissipation challenges in data centers, offering advantages such as low energy consumption and high cooling efficiency [4][5]. - The market for liquid cooling systems is expected to grow significantly, with projections of 29.4 billion yuan for ASIC systems and 58.1 billion yuan for NVIDIA systems by 2026 [4]. - The company has established strong ties with key players in the industry, positioning itself favorably within the supply chain for liquid cooling components [4][5]. 4. Financial Projections - The company is expected to see a compound annual growth rate (CAGR) of approximately 13% in revenue from 2015 to 2024, with a notable recovery in profitability [24][26]. - The projected net profit for 2025-2027 is estimated at 1.0 billion, 2.0 billion, and 3.2 billion yuan, respectively, with corresponding dynamic P/E ratios of 49, 25, and 16 times [5].

Group 1 - The core point of the news is that Hongsheng Co., Ltd. experienced a stock price increase of 5.05%, reaching 54.51 CNY per share, with a trading volume of 261 million CNY and a turnover rate of 4.91%, resulting in a total market capitalization of 5.451 billion CNY [1] - Hongsheng Co., Ltd. specializes in the research, design, production, and sales of aluminum plate fin heat exchangers, cryogenic equipment, and related products, with its main business revenue composition being: heat exchangers 90.46%, lithium battery PACK 4.64%, others 2.88%, thermal management systems 1.82%, and cryogenic equipment 0.20% [1] Group 2 - Noan Fund's Noan Multi-Strategy Mixed A (320016) entered the top ten circulating shareholders of Hongsheng Co., Ltd. in the second quarter, holding 433,000 shares, which accounts for 0.43% of the circulating shares, with an estimated floating profit of approximately 1.1345 million CNY [2] - The Noan Multi-Strategy Mixed A fund has a current scale of 1.399 billion CNY, with a year-to-date return of 68.76%, ranking 345 out of 8226 in its category, and a one-year return of 84.01%, ranking 158 out of 8099 [2] Group 3 - The fund managers of Noan Multi-Strategy Mixed A are Kong Xianzheng and Wang Haichang, with Kong having a tenure of 4 years and 336 days and a best fund return of 84.01% during his tenure, while Wang has a tenure of 3 years and 98 days with a best fund return of 71.06% [3]