Core Viewpoint - The stock of Yongding Co., Ltd. (600105.SH) experienced a significant price fluctuation, with a cumulative increase of 20% over three consecutive trading days, prompting regulatory scrutiny regarding abnormal trading behavior [1] Company Summary - Yongding Co., Ltd. has acknowledged its classification as a concept stock related to controllable nuclear fusion, although it does not directly manufacture controllable nuclear fusion devices [1] - The company's subsidiary, Eastern Superconducting Technology (Suzhou) Co., Ltd., specializes in the production of second-generation high-temperature superconducting tapes and superconducting application products, primarily providing materials for the magnetic coils of fusion devices [1] - For the period of January to September 2025, the revenue from the subsidiary accounted for less than 1% of the company's total revenue and reported a loss, indicating that it will not have a significant impact on the overall company performance [1]
永鼎股份(600105.SH):公司不直接生产制造可控核聚变装置