| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1300.0 | USD | 20210223 |
| Unknown | China national standards | MT | 1130.0 | USD | 20210222 |
| Unknown | China national standards | MT | 1460.0 | USD | 20210222 |
| Unknown | China national standards | MT | 7830.0 | USD | 20210221 |
| Unknown | China national standards | MT | 1370.0 | USD | 20210220 |
| Unknown | China national standards | MT | 7330.0 | USD | 20210218 |
| Unknown | China national standards | MT | 1310.0 | USD | 20210217 |
| Unknown | China national standards | MT | 8500.0 | USD | 20210217 |
| Unknown | China national standards | MT | 9500.0 | USD | 20210214 |
| Unknown | China national standards | MT | 8500.0 | USD | 20210213 |