Sou Hu Cai Jing·2026-01-05 19:24Group 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]