| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 670.0 | USD | 20210220 |
| Unknown | China national standards | MT | 110.0 | USD | 20210218 |
| Unknown | China national standards | MT | 90.0 | USD | 20210218 |
| Unknown | China national standards | MT | 100.0 | USD | 20210217 |
| Unknown | China national standards | MT | 660.0 | USD | 20210216 |
| Unknown | China national standards | MT | 560.0 | USD | 20210215 |
| Unknown | China national standards | MT | 710.0 | USD | 20210215 |
| Unknown | China national standards | MT | 100.0 | USD | 20210215 |
| Unknown | China national standards | MT | 110.0 | USD | 20210214 |
| Unknown | China national standards | MT | 560.0 | USD | 20210213 |