久吾高科涨2.11%，成交额2.03亿元，主力资金净流出115.31万元

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 revenue composition of the company 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 company had 20,100 shareholders, an increase of 27.68% from the previous period, with an average of 5,989 circulating shares per shareholder, a decrease of 21.14% [2] Group 2 - For the first half of 2025, the company achieved operating revenue of 270 million yuan, a year-on-year increase of 34.42%, and a net profit attributable to shareholders of 38.69 million yuan, a year-on-year increase of 226.53% [2] - The company has distributed a total of 149 million yuan in dividends since its A-share listing, with cumulative distributions of 53.60 million yuan over the past three years [3] - The company's stock price has increased by 73.71% year-to-date, with a 12.33% increase over the last five trading days and a 62.45% increase over the last 60 days [1]