Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454764 | Ni-25 heat-resistant nodular graphite cast iron for use in exhaust systems | Delin Li, Shuzhi Yu, Gangjun Liao | 2013-06-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454764 | Ni-25 heat-resistant nodular graphite cast iron for use in exhaust systems | Delin Li, Shuzhi Yu, Gangjun Liao | 2013-06-04 |