Yongding Corporation: The company does not directly produce controllable nuclear fusion devices, but only provides materials for the magnet coils of the devices.

Yongding Group Announcement: The company's stock had a deviation value of price increase of 20% for three consecutive trading days on December 24, 25, and 26, 2025, which falls under abnormal stock trading fluctuations. The company conducted a self-inspection and sent letters to the controlling shareholder and actual controller for verification. As of the date of this announcement, there are no significant matters or information that should be disclosed but have not been disclosed. The company's current production and operation activities are normal, and there have been no significant changes in its operating conditions or internal and external operating environment. The company does not directly produce controllable nuclear fusion devices but only provides materials for the magnetic devices. The company's business income in January-September 2025 accounts for less than 1% of the overall income and is a loss, which will not have a significant impact on the company's performance. [Details]