Issued Patents 2016
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, Song Ming | 2016-10-18 |