| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | 90% | MT | 393.77 | USD | 20250827 |
| Shandong Qiancheng | 90% | MT | 393.32 | USD | 20250826 |
| Shandong Qiancheng | China national standards | MT | 1039.5 | USD | 20250826 |
| Shandong Qiancheng | Industrial Grade | MT | 505.7 | USD | 20250826 |
| Shandong Qiancheng | China national standards | MT | 393.32 | USD | 20250826 |
| Shandong Qiancheng | China national standards | MT | 393.47 | USD | 20250825 |
| Shandong Qiancheng | Industrial Grade | MT | 505.9 | USD | 20250825 |
| Shandong Qiancheng | China national standards | MT | 1039.9 | USD | 20250825 |
| Shandong Qiancheng | 90% | MT | 393.47 | USD | 20250825 |
| Shandong Qiancheng | China national standards | MT | 1037.56 | USD | 20250824 |