云铝股份（000807）7月31日主力资金净流出4716.86万元

Group 1 - The core viewpoint of the news is that Yun Aluminum Co., Ltd. (云铝股份) has experienced a decline in stock price and a mixed performance in its latest financial results, indicating potential challenges ahead for the company [1][3]. - As of July 31, 2025, Yun Aluminum's stock closed at 15.56 yuan, down 3.71%, with a trading volume of 598,000 hands and a transaction amount of 939 million yuan [1]. - The company's latest quarterly report shows total operating revenue of 14.411 billion yuan, a year-on-year increase of 26.89%, while net profit attributable to shareholders decreased by 16.26% to 974 million yuan [1]. Group 2 - The company has a current ratio of 2.081, a quick ratio of 1.414, and a debt-to-asset ratio of 23.97%, indicating a relatively strong liquidity position [1]. - Yun Aluminum has made investments in 30 enterprises and participated in 5,000 bidding projects, showcasing its active engagement in the market [2]. - The company holds 41 trademark registrations and 265 patents, along with 71 administrative licenses, reflecting its commitment to innovation and compliance [2].