证券之星消息，12月17日南向资金增持91.6万股中石化油服（01033.HK）。近5个交易日中，获南向资 金增持的有5天，累计净增持2723.8万股。近20个交易日中，获南向资金增持的有13天，累计净增持 8429.8万股。截至目前，南向资金持有中石化油服（01033.HK）8.96亿股，占公司已发行普通股的 16.55%。 中石化石油工程技术服务股份有限公司是一家从事提供综合油气工程与技术服务的中国公司。该公司运 营五个分部。地球物理工程分部从事提供陆地、海洋地球物理勘探开发技术服务。钻井工程分部从事提 供陆地、海洋钻井设计、施工、技术服务及钻井仪器装备。测录井工程分部从事在陆地与海洋提供包括 对井筒油气、地质、工程信息进行采集、监测、传输、处理解释、评价等的工程承包与技术服务。井下 作业工程分部从事提供石油工程技术服务和工程施工。工程建设分部提供陆地及海洋油气田建设等项目 的可行性研究、设计、采办和施工。 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成 投资建议。 ...

中石化石油工程技术服务股份有限公司是一家从事提供综合油气工程与技术服务的中国公司。该公司运 营五个分部。地球物理工程分部从事提供陆地、海洋地球物理勘探开发技术服务。钻井工程分部从事提 供陆地、海洋钻井设计、施工、技术服务及钻井仪器装备。测录井工程分部从事在陆地与海洋提供包括 对井筒油气、地质、工程信息进行采集、监测、传输、处理解释、评价等的工程承包与技术服务。井下 作业工程分部从事提供石油工程技术服务和工程施工。工程建设分部提供陆地及海洋油气田建设等项目 的可行性研究、设计、采办和施工。 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成 投资建议。 证券之星消息，12月15日南向资金增持53.2万股中石化油服（01033.HK）。近5个交易日中，获南向资 金增持的有3天，累计净增持1735.4万股。近20个交易日中，获南向资金增持的有12天，累计净增持 7907.2万股。截至目前，南向资金持有中石化油服（01033.HK）8.92亿股，占公司已发行普通股的 16.47%。 ...

证券之星消息，12月9日南向资金减持490.6万股中石化油服（01033.HK）。近5个交易日中，获南向资 金减持的有4天，累计净减持884.0万股。近20个交易日中，获南向资金增持的有10天，累计净增持 3240.4万股。截至目前，南向资金持有中石化油服（01033.HK）8.69亿股，占公司已发行普通股的 16.06%。 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成 投资建议。 中石化石油工程技术服务股份有限公司是一家从事提供综合油气工程与技术服务的中国公司。该公司运 营五个分部。地球物理工程分部从事提供陆地、海洋地球物理勘探开发技术服务。钻井工程分部从事提 供陆地、海洋钻井设计、施工、技术服务及钻井仪器装备。测录井工程分部从事在陆地与海洋提供包括 对井筒油气、地质、工程信息进行采集、监测、传输、处理解释、评价等的工程承包与技术服务。井下 作业工程分部从事提供石油工程技术服务和工程施工。工程建设分部提供陆地及海洋油气田建设等项目 的可行性研究、设计、采办和施工。 ...

Group 1 - The core point of the article highlights the recent trading activity of Sinopec Oilfield Service Corporation (01033.HK), indicating a reduction in holdings by southbound funds on December 3, with a decrease of 3.528 million shares, representing a 0.40% change [1][2] - Over the past five trading days, there were three days of net increases in holdings by southbound funds, totaling an increase of 14.316 million shares [1] - In the last 20 trading days, there were 12 days of net increases, with a cumulative increase of 49.032 million shares, indicating a generally positive trend in investor sentiment towards the company [1] Group 2 - As of December 3, southbound funds hold a total of 875 million shares of Sinopec Oilfield Service, which accounts for 16.15% of the company's total issued ordinary shares [1] - The company operates in five segments, including geophysical engineering, drilling engineering, logging engineering, downhole operations, and engineering construction, providing comprehensive oil and gas engineering and technical services [2]

Core Insights - Southbound funds increased their holdings in Sinopec Oilfield Service Corporation (01033.HK) by 19.078 million shares on November 20, 2025, representing a 2.35% increase in total holdings [1][2] - Over the past five trading days, there were three days of net reductions in holdings, totaling a decrease of 11.06 million shares [1][2] - In the last 20 trading days, there were 11 days of net increases, with a total net increase of 8.042 million shares [1][2] - As of now, southbound funds hold 831 million shares of Sinopec Oilfield Service, accounting for 15.34% of the company's total issued ordinary shares [1][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 through five divisions: - Geophysical Engineering Division, which offers land and marine geophysical exploration and development technical services - Drilling Engineering Division, which provides land and marine drilling design, construction, technical services, and drilling equipment - Logging Engineering Division, which conducts engineering contracting and technical services for collecting, monitoring, transmitting, processing, interpreting, and evaluating wellbore oil, gas, geological, and engineering information - Downhole Operations Engineering Division, which offers petroleum engineering technical services and construction - Engineering Construction Division, which provides feasibility studies, design, procurement, and construction for land and marine oilfield projects [2]

Group 1 - The core point of the news is that southbound funds have reduced their holdings in Sinopec Oilfield Service Corporation (01033.HK) by 28.848 million shares on October 28, 2025, marking a decrease of 3.38% [1][2] - Over the past five trading days, there have been three days of net reductions in holdings, totaling 2.812 million shares [1][2] - In the last 20 trading days, there were 14 days of net increases in holdings, amounting to a total of 40.736 million shares [1][2] Group 2 - As of now, southbound funds hold 824 million shares of Sinopec Oilfield Service, which represents 15.23% of the company's total issued ordinary shares [1][2] - Sinopec Oilfield Service is engaged in providing comprehensive oil and gas engineering and technical services, operating through five divisions [2] - The divisions include geophysical engineering, drilling engineering, logging engineering, downhole operations, and engineering construction, each focusing on various aspects of oil and gas exploration and production [2]

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]

Core Insights - Southbound funds reduced their holdings in Sinopec Oilfield Service Corporation (01033.HK) by 4.386 million shares on October 22, 2025, marking a decrease of 0.53% [1][2] - Over the past five trading days, there were four days of net increases in holdings by southbound funds, totaling a net increase of 20.34 million shares [1] - In the last 20 trading days, there were 14 days of net increases, with a cumulative net increase of 25.556 million shares [1] - As of now, southbound funds hold 823 million shares of Sinopec Oilfield Service, accounting for 15.19% of the company's total issued ordinary shares [1] Trading Data Summary - On October 22, 2025, total shares held were 823 million, with a decrease of 4.386 million shares [2] - On October 21, 2025, total shares held were 827 million, with an increase of 19.666 million shares [2] - On October 20, 2025, total shares held were 807 million, with an increase of 2.456 million shares [2] - On October 17, 2025, total shares held were 805 million, with an increase of 1.442 million shares [2] - On October 16, 2025, total shares held were 803 million, with an increase of 1.162 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, interpreting, and evaluating oil and gas well, geological, and engineering information - Downhole Operations Engineering Division provides petroleum engineering technical services and construction - Engineering Construction Division conducts feasibility studies, design, procurement, and construction for land and marine oil and gas field projects [2]

Core Viewpoint - Recent trading activity shows a decrease in southbound capital holdings in Sinopec Oilfield Service Corporation (01033.HK), with a net reduction of 770,000 shares on October 13, 2025, despite an overall net increase in the past five trading days [1][2]. Group 1: Trading Activity - On October 13, 2025, southbound capital reduced its holdings by 770,000 shares, representing a decrease of 0.10% [2]. - In the last five trading days, there were four days of net increases, totaling 9,484,000 shares [1]. - Over the past 20 trading days, there were nine days of net reductions, amounting to 7,722,000 shares [1]. Group 2: Current Holdings - As of now, southbound capital holds 795 million shares of Sinopec Oilfield Service, which constitutes 14.69% of the company's total issued ordinary shares [1][2]. Group 3: Company Overview - Sinopec Oilfield Service Corporation is engaged in providing comprehensive oil and gas engineering and technical services, operating through five divisions [2]. - The Geophysical Engineering Division offers land and marine geophysical exploration and development technical services [2]. - The Drilling Engineering Division provides design, construction, technical services, and drilling equipment for land and marine drilling [2]. - The Logging Engineering Division conducts engineering contracting and technical services for data collection, monitoring, transmission, processing, and evaluation of oil and gas wells [2]. - The Downhole Operations Engineering Division offers petroleum engineering technical services and construction [2]. - The Engineering Construction Division provides feasibility studies, design, procurement, and construction for land and marine oilfield projects [2].