Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9469904 | Surface processing method for a high hardness and abrasion resistant zinc alloy surface of imitation plating hexvalent chromium | Hu-Dong Niu, Ying Wang, Zi-bao Wu | 2016-10-18 |