Core Insights - Several companies in Henan and Shaanxi provinces have recently obtained a patent for a device and method for oil-gas separation used in helium refrigeration machines, with the patent granted on November 2024 [1][2]. Company Summaries - **Henan Zhongke Qingneng Technology Co., Ltd.**: Established in 2022 in Zhengzhou, primarily engaged in technology promotion and application services, with a registered capital of 150.012483 million RMB. The company has invested in 3 enterprises, participated in 9 bidding projects, holds 8 trademark registrations, and has 22 patents [1]. - **Zhongke Hydrogen Intelligence Technology (Henan) Co., Ltd.**: Founded in 2023 in Zhengzhou, focusing on technology promotion and application services, with a registered capital of 20 million RMB. The company has invested in 1 enterprise, participated in 1 bidding project, and holds 10 patents [1]. - **Henan Zhongke Qingneng Advanced Equipment Manufacturing Co., Ltd.**: Established in 2022 in Zhengzhou, primarily engaged in specialized equipment manufacturing, with a registered capital of 60 million RMB. The company has participated in 12 bidding projects, holds 6 patents, and has 18 administrative licenses [2]. - **Shaanxi Hydrogen Qiyuan Flow Technology Co., Ltd.**: Founded in 2023 in Xianyang, focusing on technology promotion and application services, with a registered capital of 20 million RMB. The company holds 6 patents [2]. - **Shenzhen Zhongke Qingshu Technology Co., Ltd.**: Established in 2022 in Shenzhen, primarily engaged in technology promotion and application services, with a registered capital of 10 million RMB. The company holds 7 patents and has 1 administrative license [2].

NJH X II F A L L J T T ( 模仿真等数据分析技术，对采集的专用 设备信息进行深度分析，实现专用设备 故障诊断、预测维护、优化运行等方面 智能控制 利用自动化技术和智能化技术, 对专用设备监测告警、动态调参、反 馈控制等功能进行升级,实现专用设 备的智能化控制。 数字安全与防护 利用数据加密、漏洞扫描、权限 控制、冗余备份等数据和网络安全技 术，对专用设备的数据机密性和完整 性进行强化，实现专用设备数据和网 络安全风险防控能力的明显提升。 国务院财政、税务主管部门会同 科技、工业和信息化部门规定的其他 数字化、智能化改造情形。 享受税收优惠的改造投入,是指企业对 专用设备数字化、智能化改造过程中发生的 并形成该专用设备固定资产价值的支出，但 不包括按有关规定退还的增值税税款以及专 用设备运输、安装和调试等费用。 所称企业所得税应纳税额，是指企业 当年的应纳税所得额乘以适用税率,扣除依 照企业所得税法和有关税收优惠政策规定减 征、免征税额后的余额。 享受规定的税收优惠政策企业，应 当自身实际使用改造后的专用设备。企业 在专用设备改造完成后五个纳税年度内转 让、出租的，应在该专用设备停止使用当 ...

证券代码：000852 证券简称：石化机械 公告编号：2025-037 中石化石油机械股份有限公司 关于2022年限制性股票激励计划首次授予部分 第一个解除限售期解除限售条件成就的公告 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。 特别提示： 第一个解除限售期解除限售条件已经成就，本期可解除限售的限制性股票激励对 象为179名，可解除限售的限制性股票数量为4,794,207股，占目前公司股本总额 的0.5015%。 示性公告，敬请投资者注意。 中石化石油机械股份有限公司（以下简称"公司"或"石化机械"）于2025 年5月13日召开第九届董事会第六次会议和第九届监事会第五次会议，审议通过 了《关于2022年限制性股票激励计划首次授予部分第一个解除限售期解除限售条 件成就的议案》，根据《上市公司股权激励管理办法》《国有控股上市公司（境 内）实施股权激励试行办法》《中央企业控股上市公司实施股权激励工作指引》 《中石化石油机械股份有限公司2022年限制性股票激励计划（草案修订稿）》 （以 下简称"本激励计划"或"2022年限制性股票激励计划"）《中石化石油机械股 份 ...

□现场参观 □新闻发布会 证券代码：831855 证券简称：浙江大农 公告编号：2025-029 浙江大农实业股份有限公司 投资者关系活动记录表 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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 带法律责任。 一、 投资者关系活动类别 □特定对象调研 √业绩说明会 □媒体采访 □分析师会议 □路演活动 □其他 二、 投资者关系活动情况 活动时间：2025 年 05 月 12 日 活动地点：浙江大农实业股份有限公司（以下简称"公司"）在全景网"投资 者关系互动平台（https://ir.p5w.net）举办 2024 年度业绩说明会，并与投资者进 行了沟通和交流，本次业绩说明会采用网络远程的方式举行。 参会单位及人员：通过网络方式参加公司 2024 年度业绩说明会的投资者。 上市公司接待人员：董事长、总经理：王靖先生；董事会秘书：史良贵先生； 财务负责人：周全兵先生；东亚前海证券保荐代表人：冯卫平先生。 三、 投资者关系活动主要内容 问题 1：为什么公司业绩这么好，股价一直不涨？公司是不是应该采取股票 回购行动来鼓励广大 ...

Group 1: Investor Relations Activity Overview - The company held an earnings briefing on May 9, 2025, via an online platform [4] - Participants included the Chairman and General Manager, the Secretary of the Board, and representatives from the underwriting team [4] Group 2: Financial Performance and Ratios - In 2024, the company experienced revenue declines across all product segments due to weakened demand in the lithium battery industry [6] - Magnetic filtration equipment accounted for 60.03% of revenue, totaling 74.96 million CNY, down 37.40% year-on-year - Magnetic rods represented 18.22% of revenue, totaling 22.75 million CNY, down 40.81% year-on-year - Heavy-duty products made up 20.16% of revenue, totaling 25.17 million CNY, down 8.86% year-on-year - Other products accounted for 1.58% of revenue, totaling 1.98 million CNY, down 34.25% year-on-year [6] - The company's liquidity ratios were healthy, with a current ratio of 7.37 and a quick ratio of 6.64 [7] - The net cash flow from operating activities for 2024 was 23.49 million CNY, indicating sufficient cash flow to cover short-term debts [7] Group 3: Market Expansion and Future Plans - In 2024, the company participated in various industry exhibitions to penetrate new markets, including chemicals and pharmaceuticals [8] - The company plans to focus on innovation and cost reduction in 2025, aiming for stable performance [9] - Key projects for 2025 include the development of robotic welding projects and the implementation of a Manufacturing Execution System (MES) [9] Group 4: Research and Development Investment - R&D expenses accounted for 6.04% of revenue, aligning with industry standards [11] - The company is developing high-precision electromagnetic separation equipment to meet the demands of lithium battery manufacturers [11] - New products include a dry magnetic separator for fly ash, achieving a recovery rate of ≥80% for magnetic components [11]

Group 1 - The company has approved a cash dividend distribution plan for the year 2024, with a payout of 1 RMB per 10 shares to all shareholders [1] - The total number of shares for the dividend calculation is 120 million [1] - The record date for the dividend is set for May 20, 2025, and the ex-dividend date is May 21, 2025 [1] Group 2 - The dividend distribution will be applicable to all shareholders registered with the China Securities Depository and Clearing Corporation Limited, Shenzhen Branch, as of the record date [1] - The controlling shareholders and related parties have adjusted their minimum shareholding reduction price to 23.97 RMB per share [1]

证券代码： 002337 证券简称：赛象科技 天津赛象科技股份有限公司投资者关系活动记录表 | 投资者关系活动 | □ 特定对象调研 □ 分析师会议 | | --- | --- | | 类别 | □ 媒体采访 √ 业绩说明会 | | | □ 新闻发布会 □ 路演活动 | | | □ 现场参观 | | | □ 其他 （请文字说明其他活动内容） | | 参与单位名称及 | 投资者网上提问 | | 人员姓名 | | | 时间 | 2025 年 5 月 13 日 (周二) 下午 15:00~17:00 | | 地点 | 公司通过全景网"投资者关系互动平台"（https://ir.p5w.net）采用 | | | 网络远程的方式召开业绩说明会 | | 上市公司接待人 | 1、董事长兼总经理张晓辰 | | 员姓名 | 2、独立董事田昆如 | | | 3、董事会秘书王红军 | | | 4、财务总监运乃云 投资者提出的问题及公司回复情况 | | | 公司就投资者在本次说明会中提出的问题进行了回复： 1、公司本期盈利水平如何？ 您好，公司一季度归母净利润较上年同期提升 10.83%，详 | | | 见公司披露的一季度报告，谢谢 ...

证券代码：300813 证券简称：泰林生物 浙江泰林生物技术股份有限公司投资者关系活动记录表 编号：2025002 | 投资者关系活动 | □特定对象调研 □分析师会议 | | --- | --- | | 类别 | □媒体采访 业绩说明会 | | | □新闻发布会 □路演活动 | | | □现场参观 | | | □其他 （请文字说明其他活动内容） | | 参与单位名称及 | 投资者网上提问 | | 人员姓名 | | | 时间 | 年 月 日 (周二) 下午 2025 5 13 15:00~17:00 | | 地点 | 公司通过 全 景 网 " 投 资 者 关 系 互 动 平 台 " | | | （https://ir.p5w.net）采用网络远程的方式召开业绩说明 | | | 会 | | 上市公司接待人 | 1、泰林生物 董事长、总经理叶大林 | | 员姓名 | 2、泰林生物 董事会秘书兼财务总监叶星月 | | | 3、独立董事杨忠智 | | | 4、保荐代表人严绍东 投资者提出的问题及公司回复情况 | | | 公司就投资者在本次说明会中提出的问题进行了回复： | | | 1、领导，您好！我来自四川大决策 ...

证券代码：301081 证券简称：严牌股份 债券代码：123243 债券简称：严牌转债 浙江严牌过滤技术股份有限公司投资者关系活动记录表 编号：2025-001 | 投资者关系活动 | □特定对象调研 □ 分析师会议 | | --- | --- | | 类别 | □ 媒体采访 √ 业绩说明会 | | | □ 新闻发布会 □ 路演活动 | | | 现场参观 □ | | | 其他 （请文字说明其他活动内容） □ | | 参与单位名称及 | 投资者网上提问 | | 人员姓名 | | | 时间 | 2025 年 5 月 13 日（周二）下午 13:30~17:00 | | 地点 | 公司通过全景网"投资者关系互动平台"（https://ir.p5w.net） | | | 采用网络远程的方式召开业绩说明会 | | 上市公司接待人 | 1、董事长孙尚泽 | | 员姓名 | 2、总经理、董事李钊 | | | 3、副总经理、董事会秘书范悦 | | | 4、财务总监许铃盈 | | | 5、独立董事周卿 | | | 6、保荐代表人邹莎 | | 投资者关系活动 | 公司就投资者在本次说明会中提出的问题进行了回复： | | | 1、 ...

Group 1: Company Performance and Stock Price - The company's stock price has remained low, currently at 3.8, despite efforts to improve it through business development and dividends [2][3][10]. - As of May 9, 2025, the number of shareholders is approximately 160,000 [13]. - The company reported a 198.53% increase in net cash flow from operating activities compared to the previous year, attributed to decreased material procurement costs and increased export business [20]. Group 2: Business Strategy and R&D - The company is focusing on its "Five Strategies," which include product refinement, system integration, automation, globalization, and service enhancement [18]. - Current R&D projects include intelligent mining equipment for complex coal seams, high-end complete equipment for intelligent transportation, and digital production processes [25]. - The company is committed to enhancing its core competitiveness through continuous R&D investment and innovation [19][21]. Group 3: Market Position and Future Plans - The company is exploring opportunities in the robotics sector and aims to enhance its market position through strategic partnerships and technological advancements [4][21]. - There are no current plans for stock buybacks, but the company will disclose any future plans as required by law [19]. - The company is actively managing its accounts receivable, which amounts to 1.2 billion, to mitigate potential impairment risks [26].