Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10456822 | Tandem water spot cooling device for top die | Lin Zhu, Changhai Li, Yong Li | 2019-10-29 |
| 10328487 | Low-pressure cast aluminum wheel mold | Kaiqing Wang, Xu Wang, Changhai Li, Yongwang Zhao, Honghai Zhou | 2019-06-25 |
| 10220437 | Water cooled mold for casting aluminum alloy wheels and manufacturing method thereof | Lin Zhu, Changhai Li, Yong Li | 2019-03-05 |