久吾高科涨2.18%，成交额1.72亿元，主力资金净流出75.53万元

Group 1 - The core business of the company involves the research and application of membrane separation technology, primarily focusing on ceramic membranes, and providing integrated solutions for process separation and special water treatment [2] - The company's revenue composition includes 65.68% from materials and accessories, 32.89% from integrated membrane technology solutions and equipment, and 1.43% from other sources [2] - As of June 30, the number of shareholders increased by 27.68% to 20,100, while the average circulating shares per person decreased by 21.14% to 5,989 shares [2] Group 2 - For the first half of 2025, the company achieved a revenue of 270 million yuan, representing a year-on-year growth of 34.42%, and a net profit attributable to the parent company of 38.69 million yuan, which is a significant increase of 226.53% [2] - The company has a cumulative cash distribution of 149 million yuan since its A-share listing, with 53.60 million yuan distributed in the last three years [3] Group 3 - The stock price of the company has increased by 70.17% year-to-date, with a recent trading price of 35.60 yuan per share and a market capitalization of 4.45 billion yuan [1] - The company has appeared on the trading leaderboard three times this year, with the most recent net purchase on July 18 amounting to 34.84 million yuan [1]