Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11077406 | Central tube set, spiral wound reverse osmosis membrane component, and reverse osmosis water purifier | Xuegang Cai, Fangzhen Zheng, Guodong Song | 2021-08-03 |
| 10967330 | Central tube component of filter element and manufacturing method thereof | Guodong Song, Xuegang Cai | 2021-04-06 |