铁科轨道：未涉及磁悬浮列车相关领域

Group 1 - The company, Tieke Railway (688569.SH), focuses on high-speed rail fasteners as its core business [1] - The company's product offerings also include prestressed steel wires, anchorage plates, railway bridge bearings, engineering materials, and track component processing services [1] - The company does not engage in the field of maglev trains [1]