| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | China national standards | MT | 1044.71 | USD | 20251112 |
| Shandong Qiancheng | China national standards | MT | 395.3 | USD | 20251112 |
| Shandong Qiancheng | 90% | MT | 395.11 | USD | 20251111 |
| Shandong Qiancheng | Industrial Grade | MT | 508.0 | USD | 20251111 |
| Shandong Qiancheng | China national standards | MT | 395.11 | USD | 20251111 |
| Shandong Qiancheng | China national standards | MT | 1044.22 | USD | 20251111 |
| Shandong Qiancheng | 90% | MT | 395.17 | USD | 20251110 |
| Shandong Qiancheng | China national standards | MT | 1044.37 | USD | 20251110 |
| Shandong Qiancheng | Industrial Grade | MT | 508.07 | USD | 20251110 |
| Shandong Qiancheng | China national standards | MT | 395.17 | USD | 20251110 |