Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257617 | Preforming method for high-strength steel variable-diameter tubular part | Guannan Chu, Lei Sun, Wencai Xie, Anying Yuan, Gang Fang +1 more | 2025-03-25 |
| 12053814 | Method for making profile with micro-hole | Mingfu Liu, Guoqun Zhao, Liang Chen, Xinwu Ma | 2024-08-06 |
| 11697868 | Processing technology for inhibiting weld coarse grains of magnesium alloy profiles | Liang Chen, Jianwei Tang, Zhigang Li, Guoqun Zhao | 2023-07-11 |