| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | 90% | MT | 395.22 | USD | 20251124 |
| Shandong Qiancheng | Industrial Grade | MT | 508.14 | USD | 20251124 |
| Shandong Qiancheng | China national standards | MT | 1044.09 | USD | 20251122 |
| Shandong Qiancheng | 90% | MT | 395.06 | USD | 20251122 |
| Shandong Qiancheng | Industrial Grade | MT | 507.94 | USD | 20251122 |
| Shandong Qiancheng | China national standards | MT | 395.06 | USD | 20251122 |
| Shandong Qiancheng | China national standards | MT | 395.06 | USD | 20251121 |
| Shandong Qiancheng | China national standards | MT | 1044.09 | USD | 20251121 |
| Shandong Qiancheng | Industrial Grade | MT | 507.94 | USD | 20251121 |
| Shandong Qiancheng | 90% | MT | 395.06 | USD | 20251121 |