中钢天源：公司稀土永磁器件、软磁铁氧体磁芯及部品，主要应用于新能源、汽车电子、无线充电等领域

Group 1 - The company, Zhonggang Tianyuan, confirmed that it does not have direct business dealings with Xiaomi and Huawei [2] - The company's products, including rare earth permanent magnet devices and soft magnetic ferrite cores, are primarily used in the fields of new energy, electric vehicles, automotive electronics, and wireless charging [2]