| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | China national standards | MT | 1044.37 | USD | 20251028 |
| Shandong Qiancheng | 90% | MT | 395.17 | USD | 20251028 |
| Shandong Qiancheng | China national standards | MT | 1044.0 | USD | 20251027 |
| Shandong Qiancheng | 90% | MT | 395.03 | USD | 20251027 |
| Shandong Qiancheng | Industrial Grade | MT | 507.89 | USD | 20251027 |
| Shandong Qiancheng | China national standards | MT | 395.03 | USD | 20251027 |
| Shandong Qiancheng | China national standards | MT | 394.77 | USD | 20251024 |
| Shandong Qiancheng | Industrial Grade | MT | 507.56 | USD | 20251024 |
| Shandong Qiancheng | China national standards | MT | 1043.31 | USD | 20251024 |
| Shandong Qiancheng | 90% | MT | 394.77 | USD | 20251024 |