According to the subway design announcement, the total deviation value of the company's stock trading price increase exceeded 20% for three consecutive trading days on July 23, 24, and 27, 2026, which is an abnormal fluctuation. After verification, the company and controlling shareholders have no important undisclosed information that should be disclosed. Recently, operations have been normal, and the environment has not changed. The company uses drone technology in some fields of engineering. It is still in the cultivation period in the special field of low-altitude economy, accounting for less than 0.1% of revenue. There is no real impact on performance in the short term, and there is uncertainty about business development. Remind investors to be aware of the risks.

According to the subway design announcement, the total deviation value of the company's stock trading price increase exceeded 20% for three consecutive trading days on July 23, 24, and 27, 2026, which is an abnormal fluctuation. After verification, the company and controlling shareholders have no important undisclosed information that should be disclosed. Recently, operations have been normal, and the environment has not changed. The company uses drone technology in some fields of engineering. It is still in the cultivation period in the special field of low-altitude economy, accounting for less than 0.1% of revenue. There is no real impact on performance in the short term, and there is uncertainty about business development. Remind investors to be aware of the risks.