中海达涨2.01%，成交额1.68亿元，主力资金净流入818.39万元

Group 1 - The core viewpoint of the news is that Zhonghaidah's stock has shown a slight increase recently, with a current price of 10.15 yuan per share and a market capitalization of 7.553 billion yuan, despite a year-to-date decline of 6.97% [1] - As of December 25, 2023, Zhonghaidah's main business revenue composition includes 83.32% from high-precision positioning equipment and industry solutions, and 16.68% from spatiotemporal data and information services [1] - The company operates in the defense and military electronics sector, with involvement in geographic information, low-altitude economy, drones, spatiotemporal big data, and marine economy [2] Group 2 - For the period from January to September 2025, Zhonghaidah reported a revenue of 683 million yuan, a year-on-year decrease of 7.48%, and a net profit attributable to shareholders of -45.977 million yuan, a decline of 78.40% [2] - The company has distributed a total of 102 million yuan in dividends since its A-share listing, with no dividends paid in the last three years [3] - As of September 30, 2025, the number of shareholders decreased by 12.11% to 65,000, while the average circulating shares per person increased by 13.78% to 9,322 shares [2]