| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | China national standards | MT | 1044.21 | USD | 20251103 |
| Shandong Qiancheng | 90% | MT | 395.11 | USD | 20251103 |
| Shandong Qiancheng | 90% | MT | 395.03 | USD | 20251101 |
| Shandong Qiancheng | China national standards | MT | 1044.02 | USD | 20251101 |
| Shandong Qiancheng | Industrial Grade | MT | 507.9 | USD | 20251101 |
| Shandong Qiancheng | China national standards | MT | 395.03 | USD | 20251101 |
| Shandong Qiancheng | China national standards | MT | 395.03 | USD | 20251031 |
| Shandong Qiancheng | Industrial Grade | MT | 507.9 | USD | 20251031 |
| Shandong Qiancheng | China national standards | MT | 1044.02 | USD | 20251031 |
| Shandong Qiancheng | 90% | MT | 395.03 | USD | 20251031 |