马年新春的喜庆氛围尚未褪去，上市公司的人事布局已率先按下"刷新键"。 根据同花顺数据，1月1日至1月28日，A股公布董事长、总经理、财务总监等高管的辞职、离任公告达340份，涉及314家上市公司。其中，离职原因包括届 满、退休、个人生活变动等，也有部分管理人员是因触犯监管问题或涉法而辞去职务。 随着管理层的变更，公司的战略布局与经营举措或也将随之更新，进而影响企业活力与股价，这也成为马年新春后市场最大的变量之一。 通过梳理公告内容可得知，涉及公司董事长离任或辞职的公告共32个，涉及上市公司为31家，包括万东医疗、毅昌科技、妙可蓝多、长江投资、国际复材、 天坛生物、百傲化学、保变电气、宁夏建材、红星发展、天域生物、中国核建、*ST天龙、中科美菱、长虹美菱、博科测试、陕天然气、白银有色、许继电 气、富煌钢构、贵研铂业、永清环保、浪潮软件、越秀资本、汉嘉数智、中顺洁柔、兴蓉环境、华天酒店、润邦股份、北方国际、博科测试。 | 证券代码 · 证券简称 | | ▼ 公告日期 | ▼ 公告标题 | | --- | --- | --- | --- | | 600055.SH 万东医疗 | | 2026-01-27 | 万东医 ...

专利摘要显示，本发明属于高分子材料技术领域，具体涉及一种低应力痕良外观的尼龙复合材料及其制 备方法与应用。本发明使用特定粘数的脂肪族PA树脂，利用含有芳香族结构的超支化聚酯作为流动 剂、米糠蜡盐作为润滑脱模剂，通过各组分的协同调控实现材料外观效果与力学强度的平衡，所得尼龙 复合材料同时具有低应力发白的外观效果与优异的力学性能，可广泛应用于汽车、电子电器、工业器械 等领域，尤其适合制备需要具有皮纹表面效果的结构件、支撑件或外壳。 国家知识产权局信息显示，金发科技股份有限公司申请一项名为"一种低应力痕良外观的尼龙复合材料 及其制备方法与应用"的专利，公开号CN121379131A，申请日期为2025年11月。 天眼查资料显示，金发科技股份有限公司，成立于1993年，位于广州市，是一家以从事橡胶和塑料制品 业为主的企业。企业注册资本263661.2697万人民币。通过天眼查大数据分析，金发科技股份有限公司 共对外投资了35家企业，参与招投标项目135次，财产线索方面有商标信息279条，专利信息3804条，此 外企业还拥有行政许可311个。 声明：市场有风险，投资需谨慎。本文为AI基于第三方数据生成，仅供参考，不构成 ...

Group 1 - The core viewpoint of the news is that Sailun Tire's stock price increased by 5.06% to 16.40 CNY per share, with a trading volume of 513 million CNY and a turnover rate of 0.97%, resulting in a total market capitalization of 53.925 billion CNY [1] - Sailun Group Co., Ltd. is located at No. 43 Zhengzhou Road, Qingdao, Shandong Province, established on November 18, 2002, and listed on June 30, 2011. The company's main business involves the research, production, and sales of tire products, with 98.89% of its revenue coming from tire products and 1.11% from other sources [1] Group 2 - From the perspective of Sailun Tire's top ten circulating shareholders, Huatai-PB Fund's Huatai-PB CSI 300 ETF (510300) reduced its holdings by 2.1118 million shares in the third quarter, holding a total of 44.7024 million shares, which accounts for 1.36% of the circulating shares. The estimated floating profit today is approximately 35.3149 million CNY [2] - The Huatai-PB CSI 300 ETF (510300) was established on May 4, 2012, with a latest scale of 422.258 billion CNY. Year-to-date return is 1.73%, ranking 4579 out of 5549 in its category; the one-year return is 26.46%, ranking 2873 out of 4285; and the return since inception is 119.93% [2] Group 3 - The fund manager of Huatai-PB CSI 300 ETF (510300) is Liu Jun, who has a cumulative tenure of 16 years and 243 days. The total asset scale under management is 550.928 billion CNY, with the best fund return during his tenure being 193.73% and the worst being -45.64% [3]

Core Viewpoint - Chuanhuan Technology plans to establish a dual-base operation model in Southwest and East China, raising up to 1 billion yuan for the East China Intelligent Manufacturing Headquarters project and working capital [1][2][3] Group 1: Fundraising and Project Details - The company intends to issue shares to specific investors, with a total fundraising amount not exceeding 1 billion yuan, allocating 800 million yuan for the East China headquarters project and 200 million yuan for working capital [2] - The East China headquarters project will cover approximately 389 acres with a fixed asset investment of about 950 million yuan, focusing on automotive fuel systems, cooling systems, exhaust systems, and liquid cooling products for data centers and energy storage [2][3] Group 2: Strategic Advantages - The dual-base strategy will significantly reduce the supply radius to key customers in the automotive, data center, and energy storage sectors, lowering logistics costs and enhancing delivery capabilities [3] - The new base will strengthen the company's supply chain resilience and risk management, ensuring stable order fulfillment and supporting deeper integration into the Yangtze River Delta industrial cluster [3] Group 3: Business Growth and Financial Performance - Chuanhuan Technology has seen rapid revenue growth, with revenue increasing from 907 million yuan in 2022 to 1.363 billion yuan in 2024, and net profit rising from 122 million yuan to 203 million yuan during the same period [4] - In the first three quarters of 2025, the company experienced a situation of "increased revenue without increased profit," with revenue growing by 12.08% to 1.049 billion yuan, while net profit declined by 7.13% to 137 million yuan [4] Group 4: Expansion into Emerging Fields - The company is actively seeking new growth points in automotive fluid pipelines, data center liquid cooling, and energy storage liquid cooling [5] - The East China headquarters will feature a new generation of intelligent production lines, enabling rapid large-scale production of high-performance automotive fluid pipelines and liquid cooling systems, thereby increasing market share in high-end models [5]

（编辑 楚丽君） 证券日报网讯 1月27日，唯万密封发布公告称，公司预计2025年归属于上市公司股东的净利润为8，500 万元～9，800万元，比上年同期5，317.14万元增长59.86%～84.31%。 ...

例如，山东道恩高分子材料股份有限公司成功实现轮胎用高气体阻隔动态硫化合金材料（DVA）规模 化生产，打破国外技术垄断，成为全球第二家实现DVA材料量产的企业，标志着我国高端轮胎阻隔材 料达到国际领先水平。该材料可有效降低汽车行驶过程中的轮胎滚动阻力，续航里程提高5%左右，满 足燃油车节油、新能源车续航提升的迫切需求。目前已在玲珑轮胎（601966）等下游企业的多规格轮胎 中推广应用，预计两年内可实现年产值10亿元，拉动上下游产值近百亿元，推动我国轮胎行业快速发 展。 又如，山东钢铁（600022）集团日照有限公司成功实现5种不同牌号镍系钢全规格产品的批量化稳定生 产，打破国外技术垄断，实现了高性能钢材制造与应用的全新突破。该系列产品可适用于-101℃ 至-196℃的温度范围，钢板厚度公差可控制在0.05mm，主要性能指标达到国际领先水平。目前，镍系 钢相关产品已累计供货3万余吨，产值近7亿元。未来，预计年产能可达6万吨、年产值超14亿元，为我 国航空航天、工程机械、能源工业等关键领域提供核心材料支撑。 几天前，一场由山东省科技厅主办的科技成果对接会在济钢集团举行，吸引百余家企业与会。作为全球 第一个，也是唯一 ...

Meeting Overview - The first temporary shareholders' meeting of Qingdao Senqilin Tire Co., Ltd. was held on January 26, 2026, at 14:30 [2][3] - The meeting combined on-site voting and online voting [4] Attendance - A total of 341 shareholders attended the meeting, representing 504,530,592 shares, which is 48.6977% of the total voting shares [6] - Among them, 9 shareholders attended in person, representing 495,147,087 shares (47.7920%), while 332 shareholders participated via online voting, representing 9,383,505 shares (0.9057%) [6] Proposals and Voting Results - The meeting approved the proposal to provide guarantees for subsidiaries for the year 2026, with 503,659,352 shares in favor (99.8273%) and 821,080 shares against (0.1627%) [8][9] - The proposal for expected daily related party transactions for 2026 was also approved, with 9,345,485 shares in favor (92.4555%) and 670,980 shares against (6.6381%) [10][11] Legal Opinion - The legal opinion from Beijing Deheng Law Firm confirmed that the meeting's procedures, attendance, proposals, and voting results complied with relevant laws and regulations, making the resolutions valid [12]

证券代码：000599 证券简称：青岛双星 公告编号：2026-001 青岛双星股份有限公司 根据深交所的进一步审核意见，公司会同相关中介机构对草案（修订稿）及审核问询函回复（修订稿） 进行修订、补充及完善，草案（修订稿）主要修订情况如下（如无特别说明，本公告中所涉及的简称或 名词释义与重组报告书（草案）一致）： 登录新浪财经APP 搜索【信披】查看更多考评等级 关于发行股份及支付现金购买资产并募集配套资金暨 关联交易报告书（草案）（修订稿）修订说明的公告 本公司及董事会成员保证公告内容的真实、准确、完整，没有虚假记载、误 导性陈述或者重大遗漏。 青岛双星股份有限公司（以下简称"青岛双星"、"公司"）拟发行股份及支付现金购买资产并募集配套资 金（以下简称"本次交易"），最终实现青岛双星间接持有锦湖轮胎株式会社（KUMHO TIRE CO., INC.，以下简称"锦湖轮胎"）45%的股份并控股锦湖轮胎。 公司于2024年11月22日收到深圳证券交易所出具的《关于青岛双星股份有限公司发行股份、现金购买资 产并募集配套资金申请的审核问询函》（审核函〔2024〕130011号，以下简称"问询函"）。2024年12月 ...

证券日报网讯 1月26日，科创新源发布2025年度业绩预告称，公司预计2025年归属于上市公司股东的净 利润为3，000.00万元~4，000.00万元，上年同期为1，727.95万元，比上年同期增长73.62%~131.49%。 （文章来源：证券日报） ...

Group 1 - The company, Sailun Tire, announced that its seventh second board meeting will be held on January 26, 2026, in a hybrid format [1] - The meeting will review documents including a proposal to adjust investment project plans for its wholly-owned subsidiary [1] Group 2 - International gold prices have surpassed $5,000, marking a 280% increase over the past seven years [1] - Experts suggest that the future trajectory of gold prices will depend significantly on the U.S. dollar, as well as factors such as the international monetary system, interest rate cuts, and technological revolutions [1]