| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 610.0 | USD | 20210221 |
| Unknown | China national standards | MT | 110.0 | USD | 20210220 |
| Unknown | China national standards | MT | 90.0 | USD | 20210220 |
| Unknown | China national standards | MT | 110.0 | USD | 20210219 |
| Unknown | China national standards | MT | 620.0 | USD | 20210217 |
| Unknown | China national standards | MT | 15880.0 | USD | 20210216 |
| Unknown | China national standards | MT | 90.0 | USD | 20210215 |
| Unknown | China national standards | MT | 90.0 | USD | 20210215 |
| Unknown | China national standards | MT | 710.0 | USD | 20210213 |
| Unknown | China national standards | MT | 610.0 | USD | 20210210 |