权局颁发的发明专利证书 2 项，具体情况如下： 注：专利权自授权公告之日起生效。专利权有效性及专利权人变更等法律信息以 专利登记簿记载为准。 一种单缸双作用液压往复泵及其调控方法发明旨在提供一种单缸双作用液压往复 泵及其调控方法。包括液压驱动装置及与其传动连接的阀箱，以及基于液压往复泵的 控制器人机界面、预设控制模型、工况模型选择。用于提高液压往复泵工作效率、提 高泵整体结构强度、提高泵的抗冲击效果和便捷的模块化选择。 一种传动轴总成及旋转导向螺杆钻具本发明旨在提供一种旋转导向传动轴总成， 包括马达和传动轴总成，用于解决钻井过程中使用螺杆钻具旋转导向钻井的目的，大 幅降低开发成本，改善井眼轨迹，提高钻井效率。 证券代码：301158 证券简称：德石股份 公告编号：2025-058 德州联合石油科技股份有限公司 关于取得发明专利证书的公告 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、 误导性陈述或者重大遗漏。 德州联合石油科技股份有限公司（以下简称"公司"）近日取得国家知识产 | 专利名称 | 专利号 | | 专利申请日 | | | | | | 授权公告日 | | | 专利 类型 | ...

Core Points - The company, 德石股份 (301158), reported that as of November 20, 2025, the total number of shareholders is 19,994 [1] Summary by Category - **Company Information** - 德石股份 has a total of 19,994 shareholders as of the specified date [1]

Dividend Announcements - Jinlu Electronics announced a cash dividend of 0.1483572 CNY per share (tax included), with the record date on November 27, 2025, and the ex-dividend date on November 28, 2025 [1] - Deshi Co. declared a cash dividend of 1.40 CNY for every 10 shares (tax included), with the record date on November 27, 2025, and the ex-dividend date on November 28, 2025 [1] - Shanghai Kaibao will distribute a cash dividend of 0.30 CNY for every 10 shares (tax included), with the record date on November 26, 2025, and the ex-dividend date on November 27, 2025 [1] Additional Dividend Announcements - Shichang Co. announced a cash dividend of 5.80 CNY for every 10 shares (tax included), with the record date on November 27, 2025, and the ex-dividend date on November 28, 2025 [2] - Mylande declared a cash dividend of 0.30 CNY per share (tax included), with the record date on November 26, 2025, and the ex-dividend date on November 27, 2025 [2] - Zhiyang Innovation announced a cash dividend of 0.10 CNY per share (tax included), with the record date on November 26, 2025, and the ex-dividend date on November 27, 2025 [2] Further Dividend Announcements - Shentong Technology declared a cash dividend of 0.027 CNY per share (tax included), with the record date on November 26, 2025, and the ex-dividend date on November 27, 2025 [3] - Jinshi Resources announced a cash dividend of 0.07 CNY per share (tax included), with the record date on November 27, 2025, and the ex-dividend date on November 28, 2025 [3] - Gibit declared a cash dividend of 6.00 CNY per share (tax included), with the record date on November 27, 2025, and the ex-dividend date on November 28, 2025 [3] Final Dividend Announcements - Puris announced a cash dividend of 0.68 CNY for every 10 shares (tax included), with the record date on November 27, 2025, and the ex-dividend date on November 28, 2025 [4] - Kaipu Testing declared a cash dividend of 2.00 CNY for every 10 shares (tax included), with the record date on November 27, 2025, and the ex-dividend date on November 28, 2025 [4]

Group 1 - The company, 德石股份, announced a cash dividend distribution plan for the first three quarters of 2025, proposing a payout of 1.40 RMB per 10 shares (including tax) to all shareholders [2] - The record date for the dividend distribution is set for November 27, 2025, while the ex-dividend date will be November 28, 2025 [2]

证券代码：301158 证券简称：德石股份 公告编号：2025-057 德州联合石油科技股份有限公司 2025 年前三季度权益分派实施公告 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、 误导性陈述或者重大遗漏。 德州联合石油科技股份有限公司（以下简称"公司"）2025 年前三季度权益 分派方案已获 2025 年 11 月 3 日召开的 2025 年第一次临时股东会审议通过，现 将权益分派事宜公告如下： 一、股东会审议通过权益分派方案情况 1、公司 2025 年第一次临时股东会审议通过的 2025 年前三季度权益分派方 案为：公司拟以实施权益分派的股权登记日登记的公司总股本扣减公司回购专用 证券账户中股份为基数，向全体股东每 10 股派发现金红利 1.40 元（含税）。以 最新的公司股本数据测算，公司总股本为 150,370,510 股,扣除回购专用证券账 户中股份数 2,227,400 股后的总股本 148,143,110 股为基数，共计派发现金股利 20,740,035.40 元（含税），送红股 0 股（含税），不以公积金转增股本。 在本次利润分配预案披露日至实施权益分派股权登记 ...

Group 1 - The core point of the news is that Deshi Co., Ltd. (SZ 301158) announced a scheduled investor meeting on November 19, 2025, where company executives will address investor inquiries [1] - Deshi Co., Ltd. reported that its revenue composition for the year 2024 will be entirely from the manufacturing of oil drilling equipment, accounting for 100% of its revenue [1] - As of the latest update, Deshi Co., Ltd. has a market capitalization of 3.3 billion yuan [2]

Group 1: Company Performance and Market Outlook - The company has maintained stable growth in revenue and profit in recent years, attributed to the implementation of the national energy security seven-year action plan, which increased domestic oil and gas equivalent from 160 million tons to approximately 200 million tons [2][3] - The development of unconventional oil and gas resources has driven steady demand for the company's core products, including screw drill tools and wellhead devices [2] - The focus on increasing reserves and production is expected to remain a key task for the oil and gas industry in China in the near future [3] Group 2: Product Development and Market Expansion - The company has introduced ultra-wear-resistant high-pressure acid fracturing hoses, which are widely used in the North American market, offering advantages over traditional steel pipe connections [4] - The company has secured orders and sales in domestic markets such as Daqing Oilfield and CNOOC, with ongoing trials in other regions [4] - A new complex medium injection device system has been launched, aimed at enhancing oil recovery during secondary and tertiary extraction phases, with plans to establish a specialized energy technology service team next year [5] Group 3: International Business Strategy - The company has successfully executed its internationalization strategy, increasing market share and brand recognition in key regions such as North America, South America, the Middle East, Central Asia, and North Africa [6] - The acquisition of IAE in the U.S. has enhanced the company's technological capabilities and market presence in high-end drilling tools [6] - Participation in international exhibitions, such as the Abu Dhabi International Petroleum Exhibition, has helped promote the company's products and expand its influence in the Middle East [6]

Core Insights - The company disclosed that as of November 10, 2025, the total number of shareholders is 20,884 [2] Summary by Categories - **Shareholder Information** - The total number of shareholders is reported to be 20,884 as of the specified date [2]

Market Overview - The deep earth economy sector increased by 0.94% compared to the previous trading day, with PetroChina leading the gains [1] - The Shanghai Composite Index closed at 4000.14, down 0.07%, while the Shenzhen Component Index closed at 13240.62, down 0.36% [1] Top Gainers in Deep Earth Economy Sector - PetroChina (600871) closed at 2.59, up 10.21% with a trading volume of 3.855 million shares and a transaction value of 9.69 billion [1] - Zhun Oil (002207) closed at 9.01, up 10.01% with a trading volume of 291,000 shares and a transaction value of 259 million [1] - Shandong Molong (002490) closed at 8.03, up 10.00% with a trading volume of 785,100 shares and a transaction value of 614 million [1] - Other notable gainers include ShenKong (002278) up 6.32%, Daoyuan Petroleum (300164) up 5.32%, and Huibo Yin (002554) up 5.21% [1] Market Capital Flow - The deep earth economy sector saw a net inflow of 510 million from institutional investors, while retail investors experienced a net outflow of 414 million [2][3] - Major stocks like PetroChina and Shandong Molong attracted significant institutional investment, with net inflows of 2.39 billion and 198 million respectively [3] Notable Decliners - Sifangda (300179) closed at 17.49, down 6.02% with a trading volume of 1.1413 million shares and a transaction value of 1.988 billion [2] - Huanghe Xuanfeng (600172) closed at 7.21, down 5.38% with a trading volume of 2.7125 million shares and a transaction value of 1.965 billion [2] - Other decliners include Shanhe Intelligent (002097) down 2.81% and Beifang Co. (600262) down 2.78% [2]

Group 1 - The core viewpoint of the news highlights the financial performance and trading activity of Dezhou United Petroleum Technology Co., Ltd. (德石股份) as of November 11, with a slight increase in stock price and notable trading volume [1] - As of November 11, the financing balance of Dezhou United is 157 million yuan, accounting for 4.52% of its market capitalization, indicating a high level of financing activity compared to the past year [1] - The company reported a revenue of 442 million yuan for the first nine months of 2025, representing a year-on-year growth of 11.63%, and a net profit of approximately 95.72 million yuan, which is a 50.13% increase year-on-year [2] Group 2 - The company has distributed a total of 133 million yuan in dividends since its A-share listing, with 115 million yuan distributed over the past three years [3] - As of October 31, the number of shareholders increased to 23,400, a rise of 77.81%, while the average circulating shares per person decreased by 43.76% to 6,251 shares [2] - The main business revenue composition includes 42.42% from leasing and maintenance, 31.96% from drilling tools, 22.08% from equipment products, and 1.39% from engineering technical services [1]