Group 1 - The article highlights the top three companies with the highest AH premium rates: Northeast Electric (00042) at 785.25%, Zhejiang Shibao (01057) at 433.39%, and Hongye Futures (03678) at 275.07% [1] - The bottom three companies with the lowest AH premium rates are Ningde Times (03750) at -12.17%, Hengrui Medicine (01276) at -1.77%, and China Merchants Bank (03968) at -0.48% [1] - The article also lists the top three companies with the highest deviation values: Zhejiang Shibao (01057) at 104.40%, Goldwind Technology (02208) at 57.76%, and Nanjing Panda Electronics (00553) at 27.70% [1] Group 2 - The companies with the lowest deviation values include Northeast Electric (00042) at -95.85%, Chenming Paper (01812) at -26.90%, and Nanhua Futures (02691) at -19.11% [2] - The top ten AH stocks by premium rate include Sinopec Oilfield Service (01033) at 266.67% and Fudan Zhangjiang (01349) at 242.24% [1] - The bottom ten AH stocks by premium rate include WuXi AppTec (02359) at 4.34% and Weichai Power (02338) at 7.12% [1]

Group 1 - The stock price of Sinopec Oilfield Service Corporation increased by 2.28% on January 6, reaching 2.24 CNY per share, with a total market capitalization of 42.464 billion CNY [1] - The company reported a net inflow of 6.9908 million CNY from main funds, with significant buying and selling activities observed [1] - Year-to-date, the stock has risen by 3.70%, with a 2.75% increase over the last five trading days, but a 3.03% decline over the last 20 days [1] Group 2 - As of September 30, the company achieved a revenue of 55.163 billion CNY for the first nine months of 2025, reflecting a year-on-year growth of 0.51%, while the net profit attributable to shareholders decreased by 1.05% to 669 million CNY [2] - The company has distributed a total of 2.084 billion CNY in dividends since its A-share listing, with no dividends paid in the last three years [3] - The number of shareholders decreased slightly to 107,500, with an average of 0 circulating shares per shareholder [2]

Group 1 - The core point of the news is that southbound funds have significantly increased their holdings in Sinopec Oilfield Service Corporation (01033.HK), with a total net increase of 4.5 million shares over the past 20 trading days [1][2] - As of January 5, 2026, southbound funds hold 920 million shares of Sinopec Oilfield Service, accounting for 16.99% of the company's total issued ordinary shares [1][2] - In the last five trading days, there were four days of net increases in holdings by southbound funds, totaling 11.7 million shares [1][2] Group 2 - The company operates in five segments, including geophysical engineering, drilling engineering, logging engineering, downhole operations, and engineering construction [2] - The geophysical engineering segment provides land and marine geophysical exploration and development technical services [2] - The drilling engineering segment offers design, construction, technical services, and drilling equipment for land and marine drilling [2]

股份發行人及根據《上市規則》第十九B章上市的香港預託證券發行人的證券變動月報表 截至月份: 2025年12月31日 狀態: 新提交 致：香港交易及結算所有限公司 公司名稱: 中石化石油工程技術服務股份有限公司 呈交日期: 2026年1月5日 I. 法定/註冊股本變動 | 1. 股份分類 | 普通股 | 股份類別 | A | | 於香港聯交所上市 (註1) | | 否 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 證券代號 (如上市) | 600871 | 說明 | 於上海證券交易所 | | | | | | | | | 法定/註冊股份數目 | | 面值 | | | 法定/註冊股本 | | | 上月底結存 | | | 13,569,378,551 RMB | | 1 | RMB | | 13,569,378,551 | | 增加 / 減少 (-) | | | -22,366,200 | | | RMB | | -22,366,200 | | 本月底結存 | | | 13,547,012,351 RMB | | 1 | RMB | | 1 ...

Group 1 - The Hang Seng Index opened with a slight increase of 0.09% [1] - The Hang Seng Tech Index rose by 0.33% at the market opening [1] - Oil and gas stocks experienced a strong opening, with Shandong Molong rising over 13% [1] Group 2 - China National Petroleum Corporation (CNPC) saw an opening increase of over 3% [1] - Sinopec Oilfield Service also opened nearly 3% higher [1]

Group 1 - The "Three Oil Giants" refer to China National Petroleum Corporation (CNPC), Sinopec Limited, and China National Offshore Oil Corporation (CNOOC), which are the main state-owned enterprises in China's oil exploration, extraction, refining, and supply sectors [1] - A total of 35 personnel changes occurred across 9 listed companies controlled by Sinopec, CNPC, and CNOOC, with 6 companies experiencing changes at the chairman, general manager, and vice chairman levels [3] - Sinopec saw significant personnel changes, including the resignation of Chairman Ma Yongsheng and the appointment of Liu Qiang as General Manager and Vice Chairman [4][5] Group 2 - CNPC experienced personnel adjustments with 14 changes across 3 listed companies, including the resignation of Vice Chairman Hou Qijun and President Huang Yongzhang, with Ren Lixin appointed as the new President [13][14] - CNOOC had 4 personnel changes, including the resignation of Chairman Wang Dongjin and the appointment of Zhang Chuanjiang as the new Chairman [20][21] - The personnel changes reflect a broader trend of leadership transitions within major state-owned enterprises in China's oil and gas sector [3][19]

Core Viewpoint - The report highlights the premium rates of AH shares, with Northeast Electric, Zhejiang Shibao, and Hongye Futures leading in premium rates, while CATL, China Merchants Bank, and Heng Rui Medicine are at the bottom of the list [1][2]. Premium Rate Summary - Northeast Electric (00042) has a premium rate of 847.37%, followed by Zhejiang Shibao (01057) at 428.73% and Hongye Futures (03678) at 283.73% [1]. - The lowest premium rates are observed in CATL (03750) at -11.13%, China Merchants Bank (03968) at -3.84%, and Heng Rui Medicine (01276) at 3.17% [1]. Deviation Value Summary - The highest deviation values are recorded for Zhejiang Shibao (01057) at 136.00%, Junda Co. (02865) at 40.42%, and Nanjing Panda Electronics (00553) at 24.71% [1][2]. - The lowest deviation values are seen in Northeast Electric (00042) at -35.46%, GAC Group (02238) at -26.23%, and Nanhua Futures (02691) at -17.44% [1][3]. Top and Bottom AH Shares - The top ten AH shares by premium rate include companies like Sinopec Oilfield Service (01033) with a premium rate of 271.43% and Fudan Zhangjiang (01349) at 250.53% [1]. - The bottom ten AH shares by premium rate include Weichai Power (02338) at 9.88% and WuXi AppTec (02359) at 10.47% [1].

Group 1 - The stock price of Sinopec Oilfield Service increased by 2.29% on December 29, reaching 2.23 CNY per share, with a trading volume of 1.10 billion CNY and a market capitalization of 42.274 billion CNY [1] - Year-to-date, the stock price has risen by 9.31%, with a 2.76% increase over the last five trading days, a 5.11% decrease over the last 20 days, and an 8.25% increase over the last 60 days [1] - The company has appeared on the "Dragon and Tiger List" three times this year, with the most recent appearance on November 12, where it recorded a net purchase of 19.8666 million CNY [1] Group 2 - Sinopec Oilfield Service, established on November 21, 1994, and listed on April 11, 1995, specializes in engineering and technical services for oil and gas exploration and development [2] - The company's revenue composition includes drilling (49.10%), engineering construction (23.37%), special downhole operations (13.87%), geophysics (4.89%), logging (4.67%), and other services (2.99%) [2] - As of September 30, 2025, the company reported a revenue of 55.163 billion CNY, a year-on-year increase of 0.51%, and a net profit attributable to shareholders of 669 million CNY, a year-on-year decrease of 1.05% [2] Group 3 - Sinopec Oilfield Service has distributed a total of 2.084 billion CNY in dividends since its A-share listing, with no dividends paid in the last three years [3] - As of September 30, 2025, the top ten circulating shareholders include Hong Kong Central Clearing Limited, which holds 95.692 million shares, an increase of 43.2551 million shares from the previous period [3]

Core Viewpoint - Southbound funds reduced their holdings in Sinopec Oilfield Service Corporation (01033.HK) by 2.798 million shares on December 22, while they had net increased holdings of 16.39 million shares over the past five trading days and 78.434 million shares over the past 20 trading days [1] Group 1: Southbound Fund Activity - In the last five trading days, southbound funds increased their holdings for four days, with a total net increase of 16.39 million shares [1] - Over the past 20 trading days, there were 13 days of net increases in holdings by southbound funds, totaling 78.434 million shares [1] - Currently, southbound funds hold 908 million shares of Sinopec Oilfield Service, accounting for 16.78% of the company's total issued ordinary shares [1] Group 2: Company Overview - Sinopec Oilfield Service Corporation is engaged in providing comprehensive oil and gas engineering and technical services in China [1] - The company operates five divisions: - Geophysical Engineering Division, which provides land and marine geophysical exploration and development technical services - Drilling Engineering Division, which offers land and marine drilling design, construction, technical services, and drilling equipment - Logging Engineering Division, which conducts engineering contracting and technical services for data collection, monitoring, transmission, processing, and evaluation of oil and gas wells, geology, and engineering information - Downhole Operations Engineering Division, which provides petroleum engineering technical services and construction - Engineering Construction Division, which offers feasibility studies, design, procurement, and construction for land and marine oilfield construction projects [1]

Group 1 - The core point of the news is that southbound funds have increased their holdings in Sinopec Oilfield Service Corporation (01033.HK) by 1.204 million shares on December 19, 2025, with a total net increase of 19.72 million shares over the last five trading days [1] - Over the past 20 trading days, southbound funds have increased their holdings in the company on 13 occasions, resulting in a cumulative net increase of 70.616 million shares [1] - As of now, southbound funds hold 911 million shares of Sinopec Oilfield Service, accounting for 16.82% of the company's total issued ordinary shares [1] Group 2 - The total number of shares held by southbound funds on December 19, 2025, is 911 million, reflecting a change of 120.4 thousand shares, which is a 0.13% increase [2] - On December 18, 2025, the total shares held were 910 million, with a change of 13.752 million shares, representing a 1.54% increase [2] - Sinopec Oilfield Service operates five divisions, including geophysical engineering, drilling engineering, logging engineering, downhole operations, and engineering construction, providing comprehensive oil and gas engineering and technical services [2]