Top Inventors at Dongnan Elevator Co. 2019
| Rank | Name | Patents |
|---|---|---|
| 1 | Guohua Cao | 2 |
| 2 | Jiancong Qin | 2 |
| 3 | Lei Wei | 2 |
| #4 | Weihong Peng | 2 |
| #5 | Yiping Ma | 2 |
| #6 | Zhencai Zhu | 2 |
| #7 | Jianrong Yang | 1 |
| #8 | Lei Wang | 1 |
| #9 | Lingyun Ma | 1 |
| #10 | Ming Gao | 1 |
| #11 | Panda Wang | 1 |
| #12 | Xiaoguang Bo | 1 |