| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zetian | China national standards | MT | 1668.73 | USD | 20241219 |
| Renxian Chengfeng | China national standards | MT | 1460.14 | USD | 20241219 |
| Shandong Zetian | China national standards | MT | 1669.45 | USD | 20241218 |
| Renxian Chengfeng | China national standards | MT | 1460.77 | USD | 20241218 |
| Shandong Zetian | China national standards | MT | 1669.19 | USD | 20241217 |
| Renxian Chengfeng | China national standards | MT | 1460.54 | USD | 20241217 |
| Shandong Zetian | China national standards | MT | 1669.4 | USD | 20241216 |
| Renxian Chengfeng | China national standards | MT | 1460.73 | USD | 20241216 |
| Shandong Zetian | China national standards | MT | 1669.54 | USD | 20241213 |
| Renxian Chengfeng | China national standards | MT | 1460.85 | USD | 20241213 |