| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 200.0 | USD | 20210322 |
| Unknown | China national standards | MT | 180.0 | USD | 20210320 |
| Unknown | China national standards | MT | 1280.0 | USD | 20210318 |
| Unknown | China national standards | MT | 1150.0 | USD | 20210318 |
| Unknown | China national standards | MT | 1270.0 | USD | 20210315 |
| Unknown | China national standards | MT | 1220.0 | USD | 20210314 |
| Unknown | China national standards | MT | 1160.0 | USD | 20210313 |
| Unknown | China national standards | MT | 1290.0 | USD | 20210312 |
| Unknown | China national standards | MT | 190.0 | USD | 20210312 |
| Unknown | China national standards | MT | 190.0 | USD | 20210311 |