Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8545690 | Purification method of zinc sulfate leachate | Ying Dong, Guangshen He, Changwu Zhou, Guobang Zhu, Jiancun Wu | 2013-10-01 |
| 8147747 | Swirling column nozzle, swirling column smelting equipment using the same, and swirling column smelting method | Wenhai Zhang, Ying Dong, Xiaobo ZHANG | 2012-04-03 |