 |
| Hebei Gaoda Electronic Technologies Co., Ltd |
 |
Hebei Hotern Technology Co., Ltd Hebei University of Economics and Business |
 |
| Heibei Systop Techonology Co., Ltd |
 | |
| Shijiazhuang Tiedao University (STDU) |
 |
| Shijiazhuang Wulon Brake |
|
| Hebei Gaoda Electronic Technologies Co., Ltd |
|
| Hebei Hotern Technology Co., Ltd Hebei University of Economics and Business |
|
| Heibei Systop Techonology Co., Ltd |
| |
| Shijiazhuang Tiedao University (STDU) |
|
| Shijiazhuang Wulon Brake |
