海油工程今日大宗交易平价成交84.8万股，成交额474.03万元

Group 1 - The core transaction involved China Oilfield Services Limited (海油工程), with a total of 848,000 shares traded on December 4, resulting in a transaction value of 4.7403 million yuan [1][2] - The transaction accounted for 3.25% of the total trading volume on that day, with the transaction price remaining stable at 5.59 yuan, equal to the market closing price [1][2]