| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | China national standards | MT | 844.84 | USD | 20250913 |
| Shandong Qiancheng | China national standards | MT | 844.98 | USD | 20250909 |
| Shandong Qiancheng | China national standards | MT | 844.73 | USD | 20250908 |
| Shandong Qiancheng | China national standards | MT | 844.31 | USD | 20250906 |
| Shandong Qiancheng | China national standards | MT | 844.45 | USD | 20250904 |
| Shandong Qiancheng | China national standards | MT | 844.21 | USD | 20250901 |
| Shandong Qiancheng | China national standards | MT | 844.71 | USD | 20250831 |
| Shandong Qiancheng | China national standards | MT | 844.71 | USD | 20250829 |
| Shandong Qiancheng | China national standards | MT | 844.32 | USD | 20250828 |
| Shandong Qiancheng | China national standards | MT | 843.79 | USD | 20250827 |