| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | Industrial Grade | MT | 508.07 | USD | 20251118 |
| Shandong Qiancheng | China national standards | MT | 1044.37 | USD | 20251118 |
| Shandong Qiancheng | China national standards | MT | 395.39 | USD | 20251117 |
| Shandong Qiancheng | 90% | MT | 395.39 | USD | 20251117 |
| Shandong Qiancheng | China national standards | MT | 1044.96 | USD | 20251117 |
| Shandong Qiancheng | Industrial Grade | MT | 508.36 | USD | 20251117 |
| Shandong Qiancheng | Industrial Grade | MT | 508.3 | USD | 20251116 |
| Shandong Qiancheng | China national standards | MT | 395.34 | USD | 20251116 |
| Shandong Qiancheng | China national standards | MT | 1044.83 | USD | 20251116 |
| Shandong Qiancheng | 90% | MT | 395.34 | USD | 20251116 |