| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 570.0 | USD | 20210217 |
| Unknown | China national standards | MT | 510.0 | USD | 20210216 |
| Unknown | China national standards | MT | 60.0 | USD | 20210216 |
| Unknown | China national standards | MT | 80.0 | USD | 20210215 |
| Unknown | China national standards | MT | 560.0 | USD | 20210214 |
| Unknown | China national standards | MT | 420.0 | USD | 20210214 |
| Unknown | China national standards | MT | 560.0 | USD | 20210213 |
| Unknown | China national standards | MT | 90.0 | USD | 20210213 |
| Unknown | China national standards | MT | 60.0 | USD | 20210213 |
| Unknown | China national standards | MT | 80.0 | USD | 20210213 |