Top Inventors at Sf Diamond Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Weifeng Du | 18 |
| 2 | Haijiang Fang | 16 |
| 3 | Yongfeng Wang | 16 |
| #4 | Jian Yang | 8 |
| #5 | Dongpeng Zhao | 6 |
| #6 | Haijang Fang | 3 |
| #7 | Tongjian NIU | 2 |
| #8 | Caili Wang | 1 |
| #9 | Chunlin Zhang | 1 |
| #10 | Saifei Yang | 1 |
| #11 | Shanshan Ma | 1 |
| #12 | Tengfei WEN | 1 |