国安达涨2.09%，成交额1.77亿元，主力资金净流出562.19万元

Group 1 - The core viewpoint of the news is that Guoanda's stock has shown a positive performance in recent trading sessions, with a year-to-date increase of 6.95% and a notable rise of 15.15% over the past 20 trading days [1][2] - As of December 1, Guoanda's stock price reached 24.47 yuan per share, with a total market capitalization of 4.449 billion yuan [1] - The company has experienced a net outflow of main funds amounting to 5.6219 million yuan, while large orders showed a mixed trend with significant buying and selling activities [1] Group 2 - Guoanda's main business involves the research, production, and sales of automatic fire extinguishing devices, which account for 93.70% of its revenue [1] - The company is categorized under the machinery equipment industry, specifically in specialized equipment, and is associated with concepts such as small-cap stocks and energy storage [2] - For the period from January to September 2025, Guoanda reported an operating income of 207 million yuan, reflecting a year-on-year growth of 5.45%, and a net profit attributable to shareholders of 2.0825 million yuan, which is a significant increase of 127.30% [2] Group 3 - Since its A-share listing, Guoanda has distributed a total of 129 million yuan in dividends, with 52.2525 million yuan paid out in the last three years [3]