Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10823309 | Retractable handle assembly, valve using the same and intermediate bulk container | Zhengwei Fang, Zuocheng Qian, Qingxin Liao | 2020-11-03 |
| 10662673 | Disposable anti-tampering lock catch | Yuanli Jian, Yiwen CAO | 2020-05-26 |
| 10589470 | Anti-spillage structure | Yuanli Jian | 2020-03-17 |