中海达跌2.00%，成交额1.35亿元，主力资金净流出595.12万元

Group 1 - The core viewpoint of the news is that Zhonghaidah's stock has experienced a decline of 10.36% this year, with a recent drop of 2.00% to 9.78 CNY per share, reflecting a challenging financial performance [1][2] - As of September 30, 2025, Zhonghaidah reported a revenue of 683 million CNY, a year-on-year decrease of 7.48%, and a net profit attributable to shareholders of -45.98 million CNY, down 78.40% year-on-year [2] - The company'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] Group 2 - Zhonghaidah's stockholder count decreased by 12.11% to 65,000, while the average circulating shares per person increased by 13.78% to 9,322 shares [2] - The company has not distributed any dividends in the last three years, with a total payout of 102 million CNY since its A-share listing [3] - The company operates in the defense and military electronics sector, with involvement in low-altitude economy, drones, geographic information, and marine economy concepts [2]