Group 1 - The State Intellectual Property Office of China has published a patent application by China National Petroleum Corporation (CNPC) for a high-frequency resistance welding high-strength large-strain oil casing and its preparation method and application, published under CN120193215A, with an application date of December 2023 [1] - The patent details a composition for the oil casing, including specific percentages of various elements such as C: 0.17% to 0.27%, Si: 0.15% to 0.33%, Mn: 1.35% to 1.65%, and others, designed to meet the demands of complex working conditions in oil and gas wells [1] Group 2 - China National Petroleum Corporation was established in 1990, located in Beijing, primarily engaged in oil and gas extraction, with a registered capital of 48.69 billion RMB [2] - CNPC has invested in 112 companies, participated in 5,000 bidding projects, and holds 1,446 trademark records and 5,000 patent records [2] - China National Petroleum Group Engineering Materials Research Institute, founded in 2021 and located in Xi'an, focuses on specialized equipment manufacturing with a registered capital of 679.11 million RMB [2] - The Research Institute has invested in 4 companies, participated in 1,253 bidding projects, and holds 15 trademark records and 647 patent records [2]

Report Industry Investment Rating No relevant information provided. Core Viewpoints of the Report - In May, the month - on - month decline in second - hand housing prices in all tiers of cities widened, while the year - on - year decline continued to narrow. New housing prices in first - and second - tier cities turned down month - on - month [6]. - The year - on - year decline in the sales price of newly built commercial residential buildings in first - tier cities was 1.7%, narrowing by 0.4 percentage points from the previous month. The prices in second - and third - tier cities decreased by 3.5% and 4.9% year - on - year respectively, with the decline narrowing by 0.4 and 0.5 percentage points [6]. - The year - on - year decline in the sales price of second - hand residential buildings in first - tier cities was 2.7%, narrowing by 0.5 percentage points. The prices in second - and third - tier cities decreased by 6.1% and 6.9% year - on - year respectively, with the decline narrowing [6]. - In May, the added value of industrial enterprises above designated size increased by 5.8% year - on - year and 0.61% month - on - month. From January to May, it increased by 6.3% year - on - year [6]. - In May, the total retail sales of consumer goods were 4,132.6 billion yuan, a year - on - year increase of 6.4%. From January to May, the total retail sales of consumer goods were 20,317.1 billion yuan, a year - on - year increase of 5.0% [7]. - From January to May 2025, the national fixed - asset investment (excluding rural households) was 19,194.7 billion yuan, a year - on - year increase of 3.7% [7]. - From January to May 2025, the national real estate development investment was 3,623.4 billion yuan, a year - on - year decrease of 10.7% [7]. Summary by Relevant Catalogs National Economic Accounting - The GDP quarterly year - on - year growth rates from 2022 Q4 to 2025 Q1 were 3%, 4.7%, 6.5%, 5%, 5.3%, 5.3%, 4.7%, 4.6%, 5.4%, 5.4% respectively [9]. - The contributions of different industries to GDP growth and their year - on - year growth rates in different quarters from 2022 to 2025 are presented in the figures [9][15]. Industry Industrial Growth Rate - The year - on - year growth rates of the added value of major industries in May 2025 are as follows: coal mining and washing increased by 5.5%, oil and gas extraction increased by 5.3%, and the automobile manufacturing industry increased by 11.6% [6]. Major Output of Industrial Enterprises above Designated Size - The output of major industrial products such as crude oil, coal, and steel from May 2024 to May 2025 is presented in the figure [26]. Industry Electricity Consumption - The year - on - year growth rates of electricity consumption in major industries from December 2023 to April 2025 are presented in the figure [34]. Industrial Enterprise Profits - From January to April 2025, the total profits of industrial enterprises above designated size were 2,117.02 billion yuan, a year - on - year increase of 1.4% [37]. - The profits of different industries showed different trends. For example, the profit of the non - ferrous metal smelting and rolling processing industry increased by 24.5%, while the profit of the coal mining and washing industry decreased by 48.9% [37]. Industrial Enterprise Inventory - As of the end of April 2025, the finished - product inventory of industrial enterprises above designated size was 6.61 trillion yuan, a year - on - year increase of 3.9%, and the inventory growth rate decreased slightly [48]. Price Index CPI - In May 2025, the national consumer price index (CPI) decreased by 0.1% year - on - year. Food prices decreased by 0.4%, and non - food prices remained flat [53]. PPI - In May 2025, the national industrial producer price index (PPI) decreased by 3.3% year - on - year and 0.4% month - on - month. The industrial producer purchase price index decreased by 3.6% year - on - year and 0.6% month - on - month [60].

中国石油天然气股份有限公司，成立于1999年，位于北京市，是一家以从事燃气生产和供应业为主的企 业。企业注册资本18302097万人民币。通过天眼查大数据分析，中国石油天然气股份有限公司共对外投 资了1282家企业，参与招投标项目496次，财产线索方面有商标信息38条，专利信息5000条，此外企业 还拥有行政许可164个。 金融界2025年6月21日消息，国家知识产权局信息显示，大庆油田有限责任公司;中国石油天然气股份有 限公司申请一项名为"调堵选层方法及系统"的专利，公开号CN120180956A，申请日期为2023年12月。 专利摘要显示，本发明提供一种调堵选层方法及系统，属于油田开发技术领域。该方法包括：获取目标 区块中各网格的基础数据；其中，目标区块包括目标油水井间的所有油层；基于各网格的基础数据和预 建立的离散化动态渗流阻力模型，计算目标油水井间各油层的渗流阻力和平均含水饱和度；基于目标油 水井间各油层的渗流阻力和平均含水饱和度，构建对应各油层的无效循环评价因子；对目标油水井间所 有油层的无效循环评价因子进行排序，基于排序结果，确定调堵油层。解决了人工定性分析难以准确确 定调堵油层的问题，实现了确定 ...

Economic Indicators - In May, the Consumer Price Index (CPI) decreased by 0.1% year-on-year, remaining negative for three consecutive months[6] - The Producer Price Index (PPI) fell by 3.3% year-on-year, marking the lowest since August 2023, with a decline of 0.6 percentage points[6] - Core CPI increased by 0.1 percentage points to 0.6%, indicating slight improvement in internal growth momentum despite weak demand[6] Trade and Export Data - In May, exports grew by 4.8% year-on-year, a decrease of 3.3 percentage points from April, while imports fell by 3.4%, a drop of 3.1 percentage points[6] - The trade surplus reached $103.22 billion, an increase of $6.98 billion from April[6] - Exports to the U.S. saw a significant decline, with a year-on-year drop of 34.5%, worsening by 13.5 percentage points[22] Financial Data - New RMB loans in May totaled 620 billion yuan, a decrease of 330 billion yuan year-on-year[24] - Social financing increased by 2.29 trillion yuan, up by 224.7 billion yuan year-on-year, with government bonds contributing significantly[24] - M1 growth was 2.3%, while M2 growth was 7.9%, indicating a mixed performance in monetary aggregates[32] Market Performance - The Shanghai Composite Index closed at 3362.1082, while the CSI 300 and Shenzhen Component Index were at 3843.0912 and 10051.9655, respectively[2] - The average daily trading volume increased to 1.3717 trillion yuan, up by 162.8 billion yuan from the previous week[50] - The financial sector showed strong performance, rising by 0.76%, while consumer sectors declined by 1.08%[50] Policy Outlook - The central bank's net withdrawal of 727 billion yuan in the week indicates a tightening of liquidity, with market rates slightly rising[7] - Future monetary policy is expected to remain accommodative, with a focus on supporting economic recovery amid ongoing uncertainties[39] - The upcoming tax period may cause temporary disruptions in the funding environment, necessitating close monitoring of central bank operations[39]

Industrial Value Added - In May 2025, the industrial value added of enterprises above designated size increased by 5.8% year-on-year, with a month-on-month growth of 0.61% [2][3] - From January to May 2025, the industrial value added grew by 6.3% year-on-year [3] - By sector, mining increased by 5.7%, manufacturing by 6.2%, and electricity, heat, gas, and water production and supply by 2.2% in May [4] Fixed Asset Investment - From January to May 2025, national fixed asset investment (excluding rural households) reached 191,947 billion yuan, a year-on-year increase of 3.7% [8][9] - The investment in the primary industry grew by 8.4%, while the secondary industry saw an increase of 11.4%, and the tertiary industry experienced a decline of 0.4% [10] - Within the secondary industry, industrial investment rose by 11.6%, with manufacturing investment increasing by 8.5% [11] Retail Sales - In May 2025, the total retail sales of consumer goods reached 41,326 billion yuan, marking a year-on-year growth of 6.4% [15][19] - Urban retail sales amounted to 36,057 billion yuan, growing by 6.5%, while rural retail sales reached 5,269 billion yuan, increasing by 5.4% [16] - Online retail sales for the first five months totaled 60,402 billion yuan, reflecting a year-on-year increase of 8.5% [18] Energy Production - In May 2025, the production of raw coal, crude oil, and natural gas saw accelerated growth, while electricity production remained stable [20] - Raw coal production reached 400 million tons in May, with a year-on-year increase of 4.2% [21] - The electricity generation in May was 7,378 billion kilowatt-hours, showing a year-on-year growth of 0.5% [29]

Group 1 - The State Intellectual Property Office of China has published a patent application for a salt-resistant acrylamide-acrylic acid copolymer and its preparation method, filed by Kunshan Jingkun Oilfield Chemical Technology Co., Ltd., China National Petroleum Corporation, and China Petroleum Group Great Wall Drilling Engineering Co., Ltd. [1] - The patent application was filed on December 2023 and is identified as CN120137087A [1]. - The preparation method involves the precipitation polymerization of acrylamide, acrylic acid, and a hydrophobic monomer, resulting in the salt-resistant copolymer [1]. Group 2 - Kunshan Jingkun Oilfield Chemical Technology Co., Ltd. was established in 1994, located in Suzhou, with a registered capital of 3.88 million RMB [1]. - The company has participated in 34 bidding projects and holds 65 patents along with 21 trademark registrations [1]. - China National Petroleum Corporation was founded in 1990, based in Beijing, with a registered capital of 48.69 billion RMB [2]. - The corporation has invested in 112 companies and participated in 5,000 bidding projects, holding 5,000 patents and 1,446 trademarks [2]. - China Petroleum Group Great Wall Drilling Engineering Co., Ltd. was established in 2008, also located in Beijing, with a registered capital of 2.77 billion RMB [2]. - This company has invested in 3 enterprises and participated in 5,000 bidding projects, holding 1,767 patents and 16 trademarks [2].

专利摘要显示，本发明公开了一种用于石油钻机井架的承载能力评定方法及系统，该方法包括如下步 骤：向待评定井架施加用于模拟其在所处工作环境中所承受外力的载荷信息，获得井架的第一应力，并 根据第一应力，得到表征待评定井架所能承受的最大静载荷的第二应力；利用待评定井架上的杆件的物 性参数，生成在井架仅存在轴心拉压应力的条件下所容许的最大轴心拉压应力；通过对比第二应力与最 大轴心拉压应力来判定待评定井架的实际承载能力。 山东胜工检测技术有限公司，成立于2014年，位于东营市，是一家以从事软件和信息技术服务业为主的 企业。企业注册资本5000万人民币。通过天眼查大数据分析，山东胜工检测技术有限公司参与招投标项 目47次，财产线索方面有商标信息1条，专利信息35条，此外企业还拥有行政许可9个。 天眼查资料显示，中石化石油工程技术服务股份有限公司，成立于1994年，位于北京市，是一家以从事 土木工程建筑业为主的企业。企业注册资本1898434.0033万人民币。通过天眼查大数据分析，中石化石 油工程技术服务股份有限公司共对外投资了11家企业，参与招投标项目110次，财产线索方面有商标信 息1条，专利信息1675条，此外企业还 ...

Group 1 - China National Petroleum Corporation Bohai Drilling Engineering Co., Ltd. applied for a patent titled "A Rust Removal Device and Process for the Inner Wall of Oil Pipes Using Continuous Oil Pipes" [1] - The patent aims to address the issue of rust removal on oil pipes, which currently can only be done on the ground [1] - The device includes a continuous scraping module with specific components designed to facilitate the rust removal process [1] Group 2 - China National Petroleum Corporation Bohai Drilling Engineering Co., Ltd. was established in 2008, located in Tianjin, with a registered capital of 1,621,400,000 RMB [2] - The company has participated in 5,000 bidding projects and holds 3,169 patents [2] - China National Petroleum Corporation, established in 1990 and based in Beijing, has a registered capital of 48,690,000,000 RMB and has invested in 103 companies [2]

Group 1: Consumer Price Index (CPI) Analysis - In May 2025, Guangdong's Consumer Price Index (CPI) decreased by 0.4% year-on-year, maintaining the same decline as the previous month, and a month-on-month decrease of 0.1% compared to a 0.3% increase in the previous month, resulting in a fluctuation of 0.4 percentage points [1] - The average CPI for January to May 2025 was down 0.4% compared to the same period last year [1] - Factors influencing the CPI included a 4.0% increase in fresh fruit prices due to the arrival of lychee season and increased demand from warmer weather, and a 2.3% increase in aquatic product prices due to reduced market supply during the fishing ban and increased demand during holidays, collectively contributing approximately 0.15 percentage points to the CPI increase [1] Group 2: Producer Price Index (PPI) Analysis - In May 2025, Guangdong's Producer Price Index (PPI) decreased by 1.8% year-on-year, with the decline widening by 0.4 percentage points compared to the previous month, and a month-on-month decrease of 0.2% [1] - The average PPI for January to May 2025 was down 1.3% year-on-year [1] - The Industrial Producer Purchase Price Index (IPI) also saw a year-on-year decrease of 3.1% and a month-on-month decrease of 0.4% [1] - The decline in PPI was influenced by falling international crude oil prices, overcapacity in certain industries, and insufficient downstream market demand [1][2] - In the PPI survey of 38 major industries, 6 industries saw price increases, 26 experienced price declines, and 6 remained stable, indicating an industry price increase rate of 15.8% [2] - Specific industries affected included a 3.6% decrease in oil and gas extraction prices, a 3.0% decrease in petroleum, coal, and other fuel processing prices, and a 4.1% decrease in black metal mining prices due to reduced demand in the construction and real estate sectors [2]

Core Viewpoint - The article discusses the inflation trends in May, highlighting a slight decrease in CPI and a more significant drop in PPI, with implications for future economic conditions and policy responses [1][10]. Group 1: CPI Inflation - May CPI inflation was reported at -0.1% year-on-year, matching the previous value and exceeding market expectations of -0.2% [1][2]. - Energy prices have significantly dragged down CPI inflation, while core CPI showed slight upward support [2][6]. - Food prices experienced a mild decline, with a 0.2% drop month-on-month, which is less than the average decline of 1.4% over the past five years [5]. - Core CPI inflation rose slightly by 0.1 percentage points to 0.6% year-on-year, although month-on-month momentum has weakened [6][7]. - Service prices remained resilient, with travel prices increasing by 0.8% month-on-month, surpassing the five-year average of 0.2% [6]. Group 2: PPI Inflation - May PPI inflation was reported at -3.3% year-on-year, a decrease of 0.6 percentage points from the previous month, and -0.4% month-on-month, which is weaker than the historical average since 2017 [10][12]. - The decline in PPI is attributed to weak oil prices affecting the entire industrial chain and a slowdown in the construction sector due to adverse weather conditions [10][12]. - Despite the overall decline, there are signs of recovery in prices related to exports and new growth sectors, with textile prices narrowing their decline and some electronic prices turning positive [12][15]. Group 3: Forward Outlook - Looking ahead, energy prices are expected to remain weak, with Brent crude oil projected to fluctuate between $60 and $70 [9]. - The overall pace of CPI recovery is anticipated to be slow, influenced by policies aimed at boosting domestic demand and consumption [16]. - For the second quarter, CPI inflation is expected to stabilize around 0%, while PPI inflation may drop to approximately -3.0% [16].