Top Inventors at Shinda (Tangshan) Creative Oil & Gas Equipment Co. 2022
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Jian Dong | 4 |
| 1 | Jianliang Duan | 4 |
| 1 | Shujun Zhang | 4 |
| 1 | Xiang Liu | 4 |
| 1 | Yueqing Lin | 4 |
| #6 | Fengshou Shangguan | 2 |
| #7 | Bin Zheng | 1 |
| #7 | Yali Zhang | 1 |