Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10150656 | Mobile counterweight mechanism of a hoisting machine as well as a hoisting machine | Quan Dong, Mengbing Zhu, Hongshu Guo | 2018-12-11 |
| 10077173 | Single-cylinder plug pin type telescopic arm, telescopic method thereof and crane having telescopic arm | Zenghai Shan, Quan Dong, Xin Zhang, Mengbing Zhu, Xiaohui Wang +2 more | 2018-09-18 |