| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | Industrial Grade | MT | 506.7 | USD | 20251010 |
| Shandong Qiancheng | China national standards | MT | 394.1 | USD | 20251010 |
| Shandong Qiancheng | China national standards | MT | 393.8 | USD | 20251009 |
| Shandong Qiancheng | Industrial Grade | MT | 506.31 | USD | 20251009 |
| Shandong Qiancheng | China national standards | MT | 1040.76 | USD | 20251009 |
| Shandong Qiancheng | 90% | MT | 393.8 | USD | 20251009 |
| Shandong Qiancheng | 90% | MT | 394.06 | USD | 20251008 |
| Shandong Qiancheng | China national standards | MT | 1041.45 | USD | 20251008 |
| Shandong Qiancheng | Industrial Grade | MT | 506.65 | USD | 20251008 |
| Shandong Qiancheng | Industrial Grade | MT | 506.65 | USD | 20250930 |