| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1020.0 | USD | 20210222 |
| Unknown | China national standards | MT | 130.0 | USD | 20210221 |
| Unknown | China national standards | MT | 160.0 | USD | 20210221 |
| Unknown | China national standards | MT | 1170.0 | USD | 20210221 |
| Unknown | China national standards | MT | 150.0 | USD | 20210220 |
| Unknown | China national standards | MT | 830.0 | USD | 20210219 |
| Unknown | China national standards | MT | 150.0 | USD | 20210218 |
| Unknown | China national standards | MT | 160.0 | USD | 20210218 |
| Unknown | China national standards | MT | 1020.0 | USD | 20210215 |
| Unknown | China national standards | MT | 880.0 | USD | 20210215 |