上述发明专利的取得不会对公司近期生产经营产生重大影响，但有利于公司进一 步完善知识产权保护体系，发挥自主知识产权优势，并形成持续创新机制，巩固公司 技术创新发展的领先地位。 特此公告。 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 | 专利权人 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | | | | | | 类型 | | | 一种整体 | | | | | | | | | | | | 硫化式酸 | | | | | | | | | | 德州联合石 | | 化压裂软 | ZL202510702997.3 | 2025 年 05 月 | 29 | 日 | 2025 年 | 08 | 月 | 22 日 | 发明 | 油科技股份 | | 管接头总 | | | | | | | | | 专利 | | | 成及其制 | | | | | | | | | | 有限公司 | | 备方法 | | | | | | ...

Group 1 - The combustible ice concept rose by 3.12%, ranking first among concept sectors, with 12 stocks increasing, including ShenKong Co., which hit the daily limit, and others like QianNeng HengXin, XinJin Power, and China Oilfield Services showing gains of 6.41%, 5.90%, and 2.77% respectively [1] - The main capital inflow into the combustible ice sector was 364 million yuan, with 8 stocks receiving net inflows, and 5 stocks seeing inflows exceeding 10 million yuan, led by ShenKong Co. with a net inflow of 239 million yuan [1] - The top three stocks by net inflow were ShenKong Co., China Petroleum & Chemical Corporation, and China Oilfield Services, with net inflows of 239 million yuan, 111 million yuan, and 32 million yuan respectively [1] Group 2 - In terms of capital inflow ratios, ShenKong Co., China Oilfield Services, and China Petroleum & Chemical Corporation had the highest net inflow rates at 26.96%, 8.97%, and 6.54% respectively [2] - The capital inflow leaderboard for the combustible ice concept showed ShenKong Co. with a daily increase of 10.00% and a turnover rate of 24.14%, followed by China Petroleum & Chemical Corporation with a 2.45% increase and a turnover rate of 0.31% [2] - Other notable stocks included QianNeng HengXin with a 6.41% increase and a turnover rate of 10.84%, and XinJin Power with a 5.90% increase and a turnover rate of 23.00% [3]

Group 1 - The key clients of Sichuan Shengshi Steel Union International Trade Co., Ltd. include major state-owned enterprises directly supervised by the State-owned Assets Supervision and Administration Commission, covering various sectors such as construction, infrastructure, and energy engineering [1] Group 2 - The core list of top ten central enterprise construction companies includes China State Construction Engineering Corporation, which has a business focus on housing construction (over 50% of global super high-rise buildings) and infrastructure [4] - China Railway Group Limited specializes in railway engineering, accounting for 66% of the national railway mileage, with a significant increase of 51.6% in overseas business [4] - China Railway Construction Corporation is responsible for 52% of the national high-speed rail mileage and has established construction standards for high-speed rail in China [4] Group 3 - China Communications Construction Company focuses on port channels and cross-sea bridges, with a new contract amount of 9910.54 billion yuan in the first half of 2025 [5] - China Power Construction Group is a leader in hydropower, with a global market share exceeding 50% in overseas hydropower [5] - China Energy Engineering Group is innovating in traditional energy upgrades and has seen a growth rate of over 30% in new energy contracts [5] Group 4 - China Metallurgical Group Corporation leads the global market share in metallurgical engineering and is advancing hydrogen metallurgy technology for low-carbon transformation [5] - China Chemical Engineering Group dominates 70% of domestic petrochemical projects and has achieved a 12.3% growth in fine chemical contracts [5] - China National Nuclear Corporation is responsible for all domestic nuclear power units and plays a special role in national defense engineering and nuclear emergency support [5] - China Aneng Construction Group specializes in water conservancy and emergency rescue tasks [6]

Group 1: Company Overview and Market Position - Jerry Holdings is the largest shareholder of the company and focuses on the oil and gas downhole tools industry, with no competition in the same sector [2] - The company has developed a super wear-resistant high-pressure acid fracturing hose, currently in trial use in domestic oilfields, with significant market potential [2][3] Group 2: International Expansion and Acquisitions - The acquisition of American IAE Company is aimed at enhancing the company's technology and expanding into the North American market, which is expected to grow due to rising energy demands [4] - The company has seen a 29.18% increase in overseas sales revenue, amounting to 80.72 million yuan in the first half of 2025, reflecting a 10 percentage point increase from the same period in 2024 [5] Group 3: Future Growth Strategies - The company plans to maintain growth by focusing on two core strategies: strengthening overseas market presence through subsidiaries and increasing R&D investment to develop new products [6] - Continuous optimization of existing product quality and exploration of emerging industries are also key to fostering new growth opportunities [6]

Group 1 - The stock price of Deshi Co., Ltd. closed at 19.53 yuan on August 12, down 0.76% from the previous trading day [1] - The trading volume on that day was 62,995 hands, with a transaction amount of 123 million yuan, resulting in a turnover rate of 4.30% [1] - Deshi Co., Ltd. specializes in the research, production, and sales of oil drilling equipment, including drill bits and tools, and is classified under the specialized equipment manufacturing industry [1] Group 2 - Jerry Co., Ltd. is the largest shareholder of Deshi Co., Ltd., holding 44.15% of its shares [1] - The company stated on its interactive platform that there is no business correlation with Jerry Co., Ltd. [1] - On August 12, the net outflow of main funds for Deshi Co., Ltd. was 8.7956 million yuan, with a cumulative net outflow of 17.2539 million yuan over the past five trading days [1]

Group 1 - The core point of the article is that De Shi Co., Ltd. (301158) confirmed that Jerry Co., Ltd. (002353) is its largest shareholder, holding 44.15% of its shares, but there is no business relationship between the two companies [1] Group 2 - De Shi Co., Ltd. responded to investor inquiries on August 12 regarding its ownership structure and business relationships [1] - Jerry Co., Ltd. is identified as the largest shareholder of De Shi Co., Ltd. with a significant stake [1] - The companies operate independently without any business ties [1]

Group 1 - The core viewpoint of the report indicates that Deshi Co., Ltd. has continued its growth trajectory, achieving a 26.60% increase in revenue and a 29.24% increase in net profit attributable to shareholders in the first half of 2025, marking the fifth consecutive year of growth since 2021 [2][4] - The company reported a net profit of 45.17 million yuan and a net profit excluding non-recurring gains and losses of 39.42 million yuan, reflecting a year-on-year growth of 17.26% [1][2] - The operating cash flow increased significantly by 108.87% to 89.27 million yuan, indicating improved cash generation capabilities [1][3] Group 2 - Deshi Co., Ltd. focuses on the research, development, and sales of oil and gas drilling tools and equipment, with rental and maintenance services contributing 42.42% of revenue, while drilling tools and equipment products combined account for over 54% [3] - The company has seen significant success in international market expansion, with overseas revenue growth reaching 37% year-on-year in the first quarter [3] - The company acknowledges the cyclical nature of the oil and gas industry, which may impact operations due to fluctuations in exploration and development spending [4]

Core Viewpoint - The recent stock trading activities of Wang Haibin, the Secretary of the Board and senior executive of Deshi Co., indicate a trend of share reduction, which may reflect internal sentiment regarding the company's stock performance and future outlook [1][3]. Group 1: Executive Trading Activities - On August 8, 2025, Wang Haibin reduced his holdings by 20,000 shares at an average price of 19.36 yuan, totaling a transaction value of 387,200 yuan, leaving him with 1.5284 million shares [1][3]. - Prior to this, on June 19, 2025, he sold 50,000 shares at an average price of 20.66 yuan, amounting to 1.033 million yuan, and on June 18, 2025, he sold 38,700 shares at 20.16 yuan, totaling 780,200 yuan [3]. - The total market capitalization of Deshi Co. is reported to be 2.959 billion yuan as of the latest closing [3]. Group 2: Company Business Overview - Deshi Co. specializes in the design, manufacturing, processing, sales, maintenance, and leasing of oil equipment, drilling tools, and related products, as well as geothermal and environmental equipment [2]. - As of June 30, 2025, the company's revenue composition includes 117 million yuan from leasing and maintenance (42.42%), 88.39 million yuan from drilling tools (31.96%), and 61.09 million yuan from equipment products (22.08%) [2].

Group 1 - The combustible ice concept index declined by 0.10% as of the market close on August 11, ranking among the top decliners in the concept sector [1] - Within the combustible ice sector, major decliners included Guangzhou Development, Nanjing Steel, and Sinopec, while notable gainers were Deshi Co., Haimer Technology, and Petrochemical Machinery, with increases of 1.71%, 0.94%, and 0.86% respectively [1] - The net inflow of main funds into the combustible ice concept was 2.42 million yuan, with five stocks experiencing net outflows, led by Sinopec with a net outflow of 24.15 million yuan [2] Group 2 - The top gainers in the market included PEEK materials with a rise of 5.99%, MicroLED concept at 3.32%, and Tianjin Free Trade Zone at 3.27%, while the combustible ice concept was down by 0.10% [2] - The main funds' net inflow leaders included Guangzhou Development, Petrochemical Oil Service, and Petrochemical Machinery, with net inflows of 39.55 million yuan, 11.29 million yuan, and 9.63 million yuan respectively [2] - The outflow list for the combustible ice concept included Sinopec, with a decline of 1.05% and a turnover rate of 0.13%, followed by other companies like China International Marine Containers and Potential Energy Holdings [2]

Core Viewpoint - Despite the fluctuating decline in international oil prices in the first half of the year, oil service companies have reported positive performance, with both revenue and net profit showing upward trends [1][2]. Group 1: Company Performance - Jereh Group (002353.SZ) achieved a revenue of 6.9 billion yuan, a year-on-year increase of 39.21%, and a net profit of 1.241 billion yuan, up 14.04% [2]. - DeStone Group (301158.SZ) reported a revenue of 277 million yuan, a 26.60% increase, and a net profit of 45.17 million yuan, up 29.24% [2]. - Shandong Molong (002490.SZ) forecasted a non-recurring net profit of 0 to 3 million yuan, representing a growth of 100.00% to 102.61% compared to the previous year [3]. Group 2: Market Dynamics - The increase in performance is attributed to a rise in capital expenditures by oil and gas companies, driven by a favorable market environment and higher oil prices [1][4]. - Jereh Group secured new orders worth 9.881 billion yuan, a year-on-year increase of 37.65%, with total orders reaching 12.386 billion yuan, up 34.76% [3]. - DeStone Group noted significant collaborations with major domestic oil companies, enhancing its market share in various regions [3]. Group 3: Profit Margins - Despite revenue growth, the gross profit margins for oil service companies are declining, with Jereh Group's overall gross margin down by 3.46% and high-end equipment manufacturing margin down by 5.25% [3]. - DeStone Group's tool product margin decreased by 1.90%, and rental and maintenance margin fell by 2.02% [3]. Group 4: Industry Context - The oil service industry heavily relies on capital expenditures from major oil companies, with the "Seven-Year Action Plan" emphasizing increased oil and gas exploration and development [4][5]. - The plan aims to boost domestic oil production from 189 million tons in 2018 to 213 million tons by 2024, significantly impacting oil service companies' performance [5]. - International oil prices, while experiencing a downward trend, remain at historically high levels, influencing capital expenditures and overall industry health [6].