Group 1 - The stock price of Zhonghe Technology closed at 7.73 yuan on July 31, 2025, down 1.02% from the previous trading day, with a trading volume of 105 million yuan [1] - The stock price fluctuated between 7.70 and 7.88 yuan, with an amplitude of 2.30% [1] - The company specializes in rail transit signal systems and intelligent equipment manufacturing [1] Group 2 - On July 30, Zhonghe Technology hosted a research meeting with 10 institutions, including CICC Asset Management and Hangyin Wealth Management, focusing on the development plan for spatial information business and recent progress in the low-altitude economy [1] - Over the past year, the company has received a total of 58 institutional research visits involving 55 investment institutions [1] Group 3 - The net outflow of main funds on the same day was 6.71 million yuan, accounting for 0.13% of the circulating market value [2] - The current price-to-earnings ratio of the company is -26.16, and the price-to-book ratio is 1.56 [2]