Sou Hu Cai Jing·2025-11-20 19:25Core 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]