Core Viewpoint - Zhongji United (sh605305) experienced a limit-up on September 18, 2025, with a price of 42.1 yuan, a rise of 9.72%, and a total market capitalization of 8.924 billion yuan, indicating strong investor interest driven by performance growth, cash dividends, and business expansion [1][2]. Group 1: Financial Performance - Zhongji United reported a net profit growth of 78%-113% year-on-year for the first half of 2025, with a non-recurring net profit increase of 86%-127%, reflecting a significant improvement in operational performance and profitability [2]. - The company declared a cash dividend of 0.37 yuan per share (before tax), totaling 78.63 million yuan, which has attracted investor attention and boosted market confidence [2]. Group 2: Business Development - The company focuses on the research, production, and sales of specialized high-altitude safety operation equipment, including wind turbine tower elevators, anti-climbing devices, and fall protection systems, aligning with the rapid growth in the renewable energy sector, particularly in wind power [2]. - Zhongji United maintained R&D expenses of 35.93 million yuan in the first half of 2025, ensuring technological competitiveness and enhancing solutions based on customer needs, leading to a continuous increase in order volume [2]. Group 3: Market Dynamics - Although specific capital flow data for the day was not obtained, the company's strong performance is likely to attract capital inflow. The technical pattern suggests that if the stock price was stable or on an upward trend before the limit-up, this could be a result of both technical and fundamental resonance [2]. - Related stocks in the same industry may also benefit from the sector's development, creating a board linkage effect [2].