| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | China national standards | MT | 1042.33 | USD | 20251015 |
| Shandong Qiancheng | 90% | MT | 394.39 | USD | 20251015 |
| Shandong Qiancheng | 90% | MT | 394.25 | USD | 20251014 |
| Shandong Qiancheng | China national standards | MT | 1041.95 | USD | 20251014 |
| Shandong Qiancheng | Industrial Grade | MT | 506.89 | USD | 20251014 |
| Shandong Qiancheng | China national standards | MT | 394.25 | USD | 20251014 |
| Shandong Qiancheng | China national standards | MT | 394.33 | USD | 20251013 |
| Shandong Qiancheng | Industrial Grade | MT | 506.99 | USD | 20251013 |
| Shandong Qiancheng | China national standards | MT | 1042.15 | USD | 20251013 |
| Shandong Qiancheng | 90% | MT | 394.33 | USD | 20251013 |