（文章来源：证券日报） 证券日报网讯 12月17日，中远通在互动平台回答投资者提问时表示，公司激光电源主要用于工业自动 化激光器设备等产品，该产品收入占比小，敬请投资者注意投资风险。 ...

Group 1: Market Overview - The market has seen an increase, surpassing 4200, driven by a court ruling invalidating tariffs imposed by the US, which has boosted global risk appetite [1] - The strongest sectors today include autonomous driving and stablecoins, indicating a shift in investor focus [1] Group 2: Nuclear Fusion Research - The Southwestern Institute of Physics has achieved a new operational record for fusion devices in China, highlighting advancements in nuclear fusion research [2][1] - This development raises questions about the potential for this niche sector to gain traction and attract investment [2] Group 3: Company Involvement in Nuclear Fusion - Yongding Co., Ltd. has achieved leading performance in wire rod length and low-temperature strong magnetic field applications, with products used in superconducting induction heating and fusion magnets, maintaining close cooperation with the Southwestern Institute of Physics [6] - Chenguang Medical has ongoing technical communication with the Southwestern Institute regarding the supply of superconducting magnets, contingent on specific procurement needs [7] - Qiaoyuan Co. has established a reputation in the medical sector and maintains relationships with military research institutions, including the Southwestern Institute [8] - Lansi Heavy Industry is involved in the development of nuclear fusion-related products and has successfully applied a new type of heat exchanger in a fusion engineering project [9][10] - Guoguang Electric has received a provincial science and technology award for a project in collaboration with the Southwestern Institute focused on high-sensitivity leak detection technology for fusion components [10] - Antai Technology is at the forefront of research and manufacturing in fusion filter components, collaborating with the Southwestern Institute [11] - Hekang New Energy provides operational and maintenance services for high-voltage water-cooled variable frequency systems used by the Southwestern Institute [11] - Jingye Intelligent is exploring cooperation in remote operation and maintenance technology for fusion reactors with the Southwestern Institute [12] - Yingjie Electric serves various research institutions, including the Southwestern Institute, providing power supplies for scientific research and experimental testing [13]