中钢天源(002057.SZ)：公司产品与华为、小米没有直接业务往来

Group 1 - The company, Zhonggang Tianyuan, specializes in rare earth permanent magnet devices, soft magnetic ferrite cores, and components [1] - The main applications of the company's products are in the fields of new energy, electric vehicles (EV) EMC, automotive electronics, and wireless charging [1] - The company has no direct business dealings with Huawei or Xiaomi [1]