通源石油收盘下跌3.81%，滚动市盈率42.53倍，总市值22.30亿元

Group 1 - The core viewpoint of the news is that Tongyuan Petroleum's stock has experienced a decline, with a closing price of 3.79 yuan, down 3.81%, and a rolling PE ratio of 42.53 times, indicating a higher valuation compared to the industry average [1] - The company's total market capitalization is 2.23 billion yuan, ranking 16th in the average PE ratio of the extraction industry, which stands at 26.05 times [1][2] - In terms of capital flow, on April 28, Tongyuan Petroleum saw a net inflow of 4.26 million yuan, but over the past five days, there was a total outflow of 49.76 million yuan [1] Group 2 - Tongyuan Petroleum Technology Group Co., Ltd. focuses on providing comprehensive solutions and technical services for oil and gas field development, with main products including perforation sales and other oilfield services [1] - The latest quarterly report for Q1 2025 shows that the company achieved an operating income of 258 million yuan, a year-on-year increase of 13.21%, while net profit was 782,700 yuan, reflecting a year-on-year decrease of 80.38%, with a sales gross margin of 22.53% [1]