中海达涨2.22%，成交额1.71亿元，主力资金净流出1317.40万元

Company Overview - Zhonghaidah is a high-precision positioning technology company based in Guangzhou, China, established on June 21, 2006, and listed on February 15, 2011 [1] - The company focuses on the research, manufacturing, and sales of hardware and software products related to high-precision positioning technology, with a primary revenue composition of 83.32% from high-precision positioning equipment and industry solutions, and 16.68% from spatiotemporal data and information services [1] Financial Performance - For the first half of 2025, Zhonghaidah reported a revenue of 493 million yuan, representing a year-on-year growth of 15.39%, while the net profit attributable to shareholders was -23.69 million yuan, showing a year-on-year increase of 35.76% [2] - The company has cumulatively distributed 102 million yuan in dividends since its A-share listing, with no dividends distributed in the past three years [2] Stock Market Activity - On September 19, Zhonghaidah's stock price increased by 2.22%, reaching 10.61 yuan per share, with a trading volume of 171 million yuan and a turnover rate of 2.74%, resulting in a total market capitalization of 7.896 billion yuan [1] - Year-to-date, the stock price has decreased by 2.75%, with a 4.95% increase over the last five trading days, a 7.50% decrease over the last 20 days, and a 4.33% decrease over the last 60 days [1] Shareholder Information - As of June 30, 2025, Zhonghaidah had 74,000 shareholders, a decrease of 0.78% from the previous period, with an average of 8,193 circulating shares per shareholder, an increase of 0.79% [2] - The fourth largest circulating shareholder is Hong Kong Central Clearing Limited, holding 2.9102 million shares, which is a decrease of 4.1982 million shares compared to the previous period [2] Industry Classification - Zhonghaidah is classified under the defense and military industry, specifically in military electronics, and is associated with concepts such as emergency management, water conservancy construction, geographic information, BeiDou navigation, and aerospace military [2]