ETERN(SH:600105) Ge Long Hui·2025-12-12 10:26Core Viewpoint - The company, Yongding Co., Ltd. (600105.SH), has been identified as a concept stock related to controllable nuclear fusion, but its involvement is limited to providing materials for magnetic coils, not manufacturing fusion devices. The financial impact on the company is minimal, with related revenue accounting for less than 1% of total income and resulting in losses [1]. Group 1 - The company has a subsidiary, Eastern Superconducting Technology (Suzhou) Co., Ltd., which specializes in second-generation high-temperature superconducting tapes and applications [1]. - The revenue from the subsidiary related to controllable nuclear fusion is projected to be less than 1% of the company's overall revenue for the period from January to September 2025 [1]. - The subsidiary is not directly involved in the production of controllable nuclear fusion devices, indicating a limited operational scope in this emerging sector [1].