| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 550.0 | USD | 20210314 |
| Unknown | China national standards | MT | 260.0 | USD | 20210313 |
| Unknown | China national standards | MT | 130.0 | USD | 20210313 |
| Unknown | China national standards | MT | 870.0 | USD | 20210312 |
| Unknown | China national standards | MT | 100.0 | USD | 20210312 |
| Unknown | China national standards | MT | 40.0 | USD | 20210311 |
| Unknown | China national standards | MT | 40.0 | USD | 20210310 |
| Unknown | China national standards | MT | 100.0 | USD | 20210310 |
| Unknown | China national standards | MT | 630.0 | USD | 20210301 |
| Unknown | China national standards | MT | 620.0 | USD | 20210301 |