Market Overview - The oil service engineering sector experienced a decline of 0.82% on October 28, with Keli Co., Ltd. leading the drop [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Stock Performance - Notable stock performances included: - Renji Co., Ltd. (002629) rose by 10.01% to a closing price of 9.56, with a trading volume of 355,000 shares and a transaction value of 329 million [1] - Beiken Energy (002828) increased by 1.78% to 11.43, with a trading volume of 421,700 shares and a transaction value of 484 million [1] - Other stocks such as Huibo Yin (002554) and CNOOC Development (600968) saw declines of 0.30% and 0.76%, respectively [1] Capital Flow - The oil service engineering sector saw a net outflow of 33.92 million from institutional investors, while retail investors contributed a net inflow of 20.92 million [2][3] - The capital flow for individual stocks showed mixed results, with Renji Co., Ltd. experiencing a significant net outflow of 46.05 million from institutional investors [3] Individual Stock Analysis - Keli Co., Ltd. (920088) closed at 33.85, down 2.67%, with a trading volume of 31,000 shares and a transaction value of 106 million [2] - Zhongman Petroleum (603619) and Huo Ding Tian Station (600583) also faced declines of 2.08% and 1.61%, respectively [2] - The net inflow from retail investors for stocks like Renji Co., Ltd. was negative, indicating a potential shift in investor sentiment [3]

香港交易及結算所有限公司及香港聯合交易所有限公司對本公告的內容概不負責，對其準確性或完整性亦 不發表任何聲明，並明確表示，概不會因本公告全部或任何部份內容而產生或因倚賴該等內容而引致的任 何損失承擔任何責任。 中石化石油工程技術服務股份有限公司 （在中華人民共和國註冊成立之股份有限公司） （股份代號：1033） 海外監管公告 此海外監管公告乃根據香港聯合交易所有限公司證券上市規則第13.10B條作出。 茲載列中石化石油工程技術服務股份有限公司在上海證券交易所網站刊登的以 下資料全文，僅供參考。 承董事會命 沈澤宏 公司秘書 2025年10月28日 於本公告日期，本公司現任董事為吳柏志先生 # 、張建闊先生 # 、章麗莉女士 + 、杜坤 先生 + 、鄭衛軍先生 * 、王鵬程先生 * 、劉江寧女士 * 第十一届监事会第七次会议决议公告 本公司监事会及全体监事保证本公告内容不存在任何虚假记载、 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 担法律责任。 一、 监事会会议召开情况 # 執行董事 1 + 非執行董事 * 獨立非執行董事 证券简称：石化油服 证券代码：600871 编号：临2025-037 ...

中石化石油工程技術服務股份有限公司 （在中華人民共和國註冊成立之股份有限公司） （股份代號：1033） 香港交易及結算所有限公司及香港聯合交易所有限公司對本公告的內容概不負責，對其準確性或完整性亦 不發表任何聲明，並明確表示，概不會因本公告全部或任何部份內容而產生或因倚賴該等內容而引致的任 何損失承擔任何責任。 海外監管公告 此海外監管公告乃根據香港聯合交易所有限公司證券上市規則第13.10B條作出。 茲載列中石化石油工程技術服務股份有限公司在上海證券交易所網站刊登的以 下資料全文，僅供參考。 承董事會命 沈澤宏 公司秘書 2025年10月28日 於本公告日期，本公司現任董事為吳柏志先生 # 、張建闊先生 # 、章麗莉女士 + 、杜坤 * 1 先生 + 、鄭衛軍先生 * 、王鵬程先生 * 、劉江寧女士 # 執行董事 + 非執行董事 * 獨立非執行董事 证券简称：石化油服 证券代码：600871 编号：临2025-036 中石化石油工程技术服务股份有限公司 第十一届董事会第十次会议决议公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、 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 ...

Oil Market Overview - The average weekly price for Brent and WTI crude oil futures is $63.4 and $59.3 per barrel, respectively, with increases of $1.4 and $1.0 compared to the previous week [1][2] - U.S. crude oil production stands at 13.63 million barrels per day, showing a decrease of 10,000 barrels per day week-on-week [2] - Active oil rigs in the U.S. increased by 2 to a total of 420, while active fracturing fleets rose by 3 to 175 [2] Crude Oil Inventory - Total U.S. crude oil inventory is 830 million barrels, with commercial inventory at 420 million barrels, strategic inventory at 410 million barrels, and Cushing inventory at 20 million barrels. Changes from the previous week include decreases of 1.4 million barrels and 0.96 million barrels in total and commercial inventories, respectively, while strategic inventory increased by 0.82 million barrels and Cushing inventory decreased by 0.77 million barrels [1][2] Refinery Activity - U.S. refinery crude processing volume is 15.73 million barrels per day, up by 600,000 barrels per day from the previous week, with a refinery utilization rate of 88.6%, an increase of 2.9 percentage points [2] Oil Trade Dynamics - U.S. crude oil imports, exports, and net imports are 5.92 million, 4.20 million, and 1.72 million barrels per day, respectively, with imports increasing by 390,000 barrels per day and exports decreasing by 260,000 barrels per day [2] Refined Product Overview - Average prices for gasoline, diesel, and jet fuel are $78, $95, and $89 per barrel, respectively, with week-on-week changes of +$1.1, +$2.0, and -$5.1 [3] - Refined product inventories for gasoline, diesel, and jet fuel are 220 million, 120 million, and 40 million barrels, respectively, with decreases of 2.15 million, 1.48 million, and 1.49 million barrels week-on-week [4] - Production levels for gasoline, diesel, and jet fuel are 959, 463, and 164 thousand barrels per day, with increases of 24, 4, and decreases of 7 thousand barrels per day, respectively [5] Refined Product Demand and Trade - Consumption of gasoline, diesel, and jet fuel is 845, 385, and 172 thousand barrels per day, with no change in gasoline, a decrease of 39 thousand barrels per day in diesel, and an increase of 3 thousand barrels per day in jet fuel [6] - Gasoline imports, exports, and net exports are 80, 1.21 million, and 1.14 million barrels per day, with changes of -30, +190, and +230 thousand barrels per day, respectively [6] Recommended Companies - Companies recommended for investment include China National Offshore Oil Corporation (CNOOC), PetroChina, Sinopec, CNOOC Services, and others [6]

Core Viewpoint - The shale gas sector experienced a significant decline, with multiple companies opening lower in the market, indicating a bearish sentiment in the industry [1] Company Performance - ShenKong Co. faced a limit down in its stock price during the bidding process [1] - Petrochemical Machinery saw a drop of over 8% in its stock price [1] - Other companies such as Shandong Molong, Petrochemical Oilfield Services, and Tongyuan Petroleum also opened lower, reflecting a broader trend in the shale gas sector [1]

Core Insights - Southbound funds increased their holdings in Sinopec Oilfield Service Corporation (01033.HK) by 20.59 million shares on October 24, 2025, marking a 2.46% increase in total holdings [1][2] - Over the past five trading days, there have been four days of net increases in holdings, totaling 53.09 million shares [1] - In the last 20 trading days, there were 15 days of net increases, accumulating to 62.85 million shares [1] - As of now, southbound funds hold 858 million shares of Sinopec Oilfield, representing 15.84% of the company's total issued ordinary shares [1] Summary by Category Trading Activity - On October 24, 2025, total shares held reached 858 million, with a change of 20.59 million shares [2] - On October 23, 2025, total shares held were 837 million, with a change of 14.76 million shares [2] - On October 22, 2025, total shares held were 823 million, with a decrease of 4.39 million shares [2] - On October 21, 2025, total shares held were 827 million, with an increase of 19.67 million shares [2] - On October 20, 2025, total shares held were 807 million, with a change of 2.46 million shares [2] Company Overview - Sinopec Oilfield Service Corporation is engaged in providing comprehensive oil and gas engineering and technical services in China [2] - The company operates five divisions: - Geophysical Engineering Division focuses on land and marine geophysical exploration and development technical services - Drilling Engineering Division provides land and marine drilling design, construction, technical services, and drilling equipment - Logging Engineering Division offers engineering contracting and technical services for collecting, monitoring, transmitting, processing, and interpreting wellbore oil, gas, geological, and engineering information - Downhole Operations Division provides petroleum engineering technical services and construction - Engineering Construction Division conducts feasibility studies, design, procurement, and construction for land and marine oilfield projects [2]

Market Overview - The oil service engineering sector experienced a decline of 1.83% on October 24, with Junyou Co., Ltd. leading the drop [1] - The Shanghai Composite Index closed at 3950.31, up 0.71%, while the Shenzhen Component Index closed at 13289.18, up 2.02% [1] Stock Performance - Notable stock movements included: - Renji Co., Ltd. (002629) rose by 3.03% to a closing price of 61.6, with a trading volume of 293,600 shares and a turnover of 269 million yuan [1] - Junyou Co., Ltd. (002207) fell by 7.51% to a closing price of 8.38, with a trading volume of 607,500 shares and a turnover of 522 million yuan [2] - Other significant declines included Beiken Energy (002828) down 5.88% and Tongxin Petroleum (300164) down 4.72% [2] Capital Flow - The oil service engineering sector saw a net outflow of 185 million yuan from institutional investors, while retail investors contributed a net inflow of 209 million yuan [2][3] - Specific stock capital flows included: - Haiyou Development (600968) had a net inflow of 17.91 million yuan from institutional investors, but a net outflow of 15.76 million yuan from retail investors [3] - Zhongyou Engineering (600339) experienced a net inflow of 14.47 million yuan from institutional investors, with a net outflow of 3.09 million yuan from retail investors [3]

Core Viewpoint - The company has provided guarantees for its wholly-owned subsidiaries and joint ventures, with specific limits and terms approved by the board and shareholders, indicating a strategic move to support its international operations and projects, particularly in Mexico [2][3][11]. Summary by Sections Guarantee Overview - As of the first three quarters of 2025, the company provided a total guarantee amount of RMB 18.85 billion, which accounts for 21.8% of the company's latest audited net assets [4]. - The cumulative guarantee balance as of September 30, 2025, reached RMB 280.59 billion [4][14]. Guarantee Limits - The board approved a maximum guarantee limit of RMB 285 billion for credit guarantees and RMB 230 billion for performance guarantees for wholly-owned subsidiaries, along with a limit of USD 2.75 billion for joint ventures, effective from the 2024 annual shareholders' meeting until the 2025 annual shareholders' meeting [3][12]. Internal Decision-Making Process - The board's resolutions regarding guarantees were made on March 18, 2025, and were subsequently approved at the 2024 annual shareholders' meeting held on June 6, 2025 [5][12]. Guarantee Agreements - The company has entered into various credit and performance guarantee agreements with major banks and international companies, with a total credit guarantee amounting to approximately RMB 186.57 billion [9]. - Performance guarantees include contracts related to projects in Uganda and Algeria, with a notable performance guarantee of USD 2.4 million for a project in Algeria [9][10]. Necessity and Reasonableness of Guarantees - The guarantees are deemed necessary to support the company's business operations, especially in international markets, and to mitigate related risks, particularly for the EBANO oilfield project in Mexico [11].

证券日报网讯石化油服10月23日在互动平台回答投资者提问时表示，截至10月20日公司A股股东人数为 10.60万户。 （文章来源：证券日报） ...

Group 1: New Stock Offerings - The tender offer for Shangwei New Materials (688585) is open from September 29, 2025, to October 28, 2025[1] - Huajian Group (600629) announced significant updates on October 22, 2025[1] - ST Dongyi (002713) reported on October 22, 2025, regarding its stock status[1] Group 2: Stock Volatility Alerts - Dayou Energy (600403) experienced severe abnormal fluctuations, with updates on October 22 and 23, 2025[1] - Multiple companies, including Tianpu Co. (605255) and Guangming Real Estate (600708), reported abnormal trading activities on October 23, 2025[1] - ST Nanzhi (002305) and ST Aowei (002231) are under scrutiny for unusual market behavior as of October 23, 2025[1]