铜牛信息（300895）8月20日主力资金净流入6940.21万元

Group 1 - The stock price of Tongniu Information (300895) closed at 53.47 yuan, an increase of 6.83% as of August 20, 2025, with a turnover rate of 15.5% and a trading volume of 214,200 lots, amounting to 1.109 billion yuan [1] - The latest financial report for Tongniu Information shows total operating revenue of 50.8573 million yuan for Q1 2025, a year-on-year increase of 0.40%, while net profit attributable to shareholders decreased by 40.73% to 21.3842 million yuan [1] - The company has a current ratio of 2.444, a quick ratio of 2.067, and a debt-to-asset ratio of 14.21% [1] Group 2 - Tongniu Information has made investments in 7 companies and participated in 120 bidding projects, with 2 trademark registrations and 12 patents [2] - The company holds 14 administrative licenses [2]