| Vendor | Spec | Unit | Price | Currency | Date |
| Weifang Rainbow | China national standards | MT | 1348.89 | USD | 20241219 |
| Weifang Rainbow | China national standards | MT | 1349.47 | USD | 20241218 |
| Weifang Rainbow | China national standards | MT | 1349.26 | USD | 20241217 |
| Weifang Rainbow | China national standards | MT | 1363.35 | USD | 20241216 |
| Weifang Rainbow | China national standards | MT | 1363.46 | USD | 20241213 |