According to official website of Baotou Tianhe Magnetic Materials Technology Co., Ltd., Yuan Wenjie is the chairman of Tianhe Magnetic Materials, Chen Ya is the general manager of the company, and they are colleagues at higher and lower levels. Baotou Tianhe Magnetic Materials Technology Co., Ltd. is a national key high-tech enterprise and technological innovation enterprise specializing in the production and sales of R&D and high-performance permanent magnet materials.