证券代码：301522 证券简称：上大股份 公告编号：2025-038 中航上大高温合金材料股份有限公司 关于部分首次公开发行前已发行股份及首次公开发行战略配售股份 上市流通的提示性公告 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。 特别提示： 1.本次上市流通的限售股为中航上大高温合金材料股份有限公司（以下简称 "公司"或"发行人"或"上大股份"）部分首次公开发行前已发行股份及首次 公开发行战略配售股份。 2.本次解除限售股东户数为 48 户，其中首次公开发行前已发行股份限售的 股东户数为 44 户，解除限售股份的数量为 188,450,000 股，占总股本的比例为 50.6768%；首次公开发行战略配售股东户数为 4 户，解除限售股份的数量为 18,593,333 股，占公司总股本的 5.0000%。本次解除限售股份数量总计为 207,043,333 股，占公司总股本的 55.6768%，限售期为自公司股票首次公开发行 并上市之日起 12 个月。 3.本次拟解除限售的股份上市流通日期为 2025 年 10 月 16 日（星期四）。 4.本次解除股份限售的 ...

Core Viewpoint - The company has developed new material products for semiconductor equipment manufacturing and is collaborating with a major domestic semiconductor equipment manufacturer for product validation, which is progressing smoothly [1]. Group 1 - The new material products are specifically designed for use in semiconductor equipment manufacturing [1]. - The company is currently engaged in a development collaboration with a significant domestic semiconductor equipment manufacturer [1]. - The product validation process is reported to be progressing smoothly [1].

证券日报网讯上大股份（301522）9月30日在互动平台回答投资者提问时表示，截至2025年9月19日，公 司股东总数为25804户。 ...

（文章来源：证券日报） 证券日报网讯 9月18日晚间，上大股份发布公告称，公司对经营范围进行相应调整，并于近日完成了经 营范围的工商变更登记及《公司章程》备案手续，取得了邢台市行政审批局换发的《营业执照》。 ...

证券代码：301522 证券简称：上大股份 公告编号：2025-037 中航上大高温合金材料股份有限公司 关于完成工商变更登记并换发营业执照的公告 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。 一、基本情况 中航上大高温合金材料股份有限公司（以下简称"公司"）于 2025 年 8 月 25 日召开的第二届董事会第十次会议和 2025 年 9 月 10 日召开的 2025 年第一次临 时股东会审议通过了《关于修订<公司章程>及其附件的议案》。具体内容详见 公司于 2025 年 8 月 26 日在巨潮资讯网（www.cninfo.com.cn）披露的《关于修订 <公司章程>及其附件的公告》（公告编号：2025-031）。 同时，按照国家市场监督管理机构关于企业经营范围登记规范化表述的要求， 公司对经营范围进行相应调整，并于近日完成了经营范围的工商变更登记及《公 司章程》备案手续，取得了邢台市行政审批局换发的《营业执照》，变更后的公 司登记信息如下： 1、企业名称：中航上大高温合金材料股份有限公司； 4、注册地址：河北省清河县挥公大道 16 号； 5、注册资本：叁 ...

Core Viewpoint - The company, Zhonghang Shanda High-Temperature Alloy Materials Co., Ltd., is experiencing a decline in revenue and net profit, with significant changes in shareholder structure and financing activities [1][2][3] Financing Activities - On September 17, the company had a financing buy-in amount of 6.11 million yuan and a financing repayment of 6.92 million yuan, resulting in a net financing buy-in of -0.81 million yuan [1] - As of September 17, the total financing and securities lending balance was 155 million yuan, accounting for 6.05% of the circulating market value [1] - The company had a securities lending sell-out of 4,200 shares on September 17, with a sell-out amount of 0.1445 million yuan [1] Financial Performance - For the first half of 2025, the company reported an operating income of 1.211 billion yuan, a year-on-year decrease of 6.48%, and a net profit attributable to shareholders of 59.798 million yuan, down 34.67% year-on-year [2] Shareholder Structure - As of August 20, the number of shareholders decreased to 27,800, with an average of 2,679 circulating shares per person, an increase of 0.72% [2] - The top ten circulating shareholders include several new entrants, such as Guotai Zhongzheng Military Industry ETF and Southern Zhongzheng 1000 ETF, indicating a shift in institutional holdings [3]

Group 1: International Business Development - The company has established a professional international business team and is collaborating with clients from France, Germany, and Italy in aerospace, gas turbines, and oil services sectors. [2] - In the first half of 2025, the company achieved overseas revenue of 10.6543 million yuan, surpassing the total revenue of the previous year. [3] Group 2: Technological Breakthroughs - The company is the only domestic entity mastering the high-temperature alloy return material recycling technology, which has been industrialized and passed engine testing. [3] - The high return ratio of high-temperature alloy recycling effectively reduces material costs and enhances product purity and quality stability. [3] Group 3: Future Development Plans - The company plans to expand into civil aviation and international markets while participating in the development of new nuclear power reactor types. [3] - The company aims to integrate digital transformation with production management to enhance management efficiency. [3]

证券代码：301522 证券简称：上大股份 公告编号：2025-036 中航上大高温合金材料股份有限公司 关于参加 2025 年河北辖区上市公司投资者网上集体接待日 暨 2025 年半年报集体业绩说明会的公告 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。 为进一步加强与投资者的互动交流，中航上大高温合金材料股份有限公司 （以下简称"公司"）将参加由河北省上市公司协会、河北资本市场之家与深圳 市全景网络有限公司联合举办的"2025 年河北辖区上市公司投资者网上集体接 待日暨 2025 年半年报集体业绩说明会"活动，现将相关事项公告如下： 本次活动将采用网络远程的方式举行，投资者可登录"全景路演"网站 （http://rs.p5w.net），或关注微信公众号：全景财经，或下载全景路演 APP，参 与本次互动交流，投资者网上在线互动时间为 2025 年 9 月 15 日（星期一） 15:00-17:00。 届时公司总经理高圣勇先生、副总经理兼董事会秘书徐志博先生、财务总监 张建改女士将在线就公司业绩、公司治理、发展战略、经营状况等投资者关心的 问题，与投资者进行沟 ...

Core Insights - The stock of Shangda Co., Ltd. experienced a slight decline of 0.21% on September 10, with a trading volume of 59.99 million yuan [1] - The company reported a financing net purchase of 22.36 million yuan on the same day, with a total financing and securities balance of 156 million yuan [1] - For the first half of 2025, Shangda Co., Ltd. achieved a revenue of 1.211 billion yuan, a year-on-year decrease of 6.48%, and a net profit attributable to shareholders of 59.798 million yuan, down 34.67% year-on-year [2] Financing and Trading Data - On September 10, the financing purchase amount for Shangda Co., Ltd. was 5.8371 million yuan, with a current financing balance of 156 million yuan, accounting for 6.15% of the circulating market value [1] - The company had no short-selling activity on September 10, with a short-selling balance of 309,300 yuan and a remaining short-selling quantity of 9,100 shares [1] Shareholder and Institutional Holdings - As of August 20, the number of shareholders for Shangda Co., Ltd. was 27,800, a decrease of 0.72% from the previous period, with an average of 2,679 circulating shares per person, an increase of 0.72% [2] - As of June 30, 2025, the top ten circulating shareholders included several new institutional investors, such as Guotai CSI Military Industry ETF and Southern CSI 1000 ETF, indicating a shift in shareholder composition [3]

Group 1 - The company announced that it will hold the third session of the second employee representative assembly on September 10, 2025 [2] - Zheng Xianfeng was elected as the employee representative director of the company's second board of directors [2]