| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | China national standards | MT | 395.34 | USD | 20251114 |
| Shandong Qiancheng | Industrial Grade | MT | 508.3 | USD | 20251114 |
| Shandong Qiancheng | 90% | MT | 395.34 | USD | 20251114 |
| Shandong Qiancheng | China national standards | MT | 1044.83 | USD | 20251114 |
| Shandong Qiancheng | Industrial Grade | MT | 508.01 | USD | 20251113 |
| Shandong Qiancheng | China national standards | MT | 1044.24 | USD | 20251113 |
| Shandong Qiancheng | 90% | MT | 395.12 | USD | 20251113 |
| Shandong Qiancheng | China national standards | MT | 395.12 | USD | 20251113 |
| Shandong Qiancheng | China national standards | MT | 1044.71 | USD | 20251112 |
| Shandong Qiancheng | China national standards | MT | 395.3 | USD | 20251112 |