Zheng Xing Xing Ye Ri Bao·2025-12-01 09:16Core Insights - The oil service engineering sector experienced a rise of 1.78% on December 1, with Keli Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3914.01, up 0.65%, while the Shenzhen Component Index closed at 13146.72, up 1.25% [1] Stock Performance - Keli Co., Ltd. (code: 920088) closed at 32.01, with a gain of 6.17% and a trading volume of 39,200 shares, amounting to a transaction value of 123 million yuan [1] - Tongyuan Petroleum (code: 300164) closed at 6.13, up 5.69%, with a trading volume of 1,137,300 shares and a transaction value of 687 million yuan [1] - Zhun Oil Co., Ltd. (code: 002207) closed at 8.68, increasing by 4.20%, with a trading volume of 320,300 shares and a transaction value of 277 million yuan [1] - Other notable performers include Shihua Oil Service (code: 600871) with a 3.07% increase and a closing price of 2.35, and Tian Sihua (code: 601808) with a 2.29% increase, closing at 14.29 [1] Fund Flow Analysis - The oil service engineering sector saw a net outflow of 113 million yuan from institutional investors, while retail investors contributed a net inflow of 168 million yuan [2] - Keli Co., Ltd. had a net inflow of 11.38 million yuan from institutional investors, representing 9.25% of its total trading volume [3] - Other companies like Haiyou Development (code: 600968) and Tongyuan Petroleum experienced mixed fund flows, with Haiyou Development seeing a net inflow of 10.62 million yuan from institutional investors [3]