| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 480.0 | USD | 20210322 |
| Unknown | China national standards | MT | 800.0 | USD | 20210320 |
| Unknown | China national standards | MT | 4950.0 | USD | 20210318 |
| Unknown | China national standards | MT | 6050.0 | USD | 20210316 |
| Unknown | China national standards | MT | 6560.0 | USD | 20210315 |
| Unknown | China national standards | MT | 6070.0 | USD | 20210314 |
| Unknown | China national standards | MT | 1020.0 | USD | 20210313 |
| Unknown | China national standards | MT | USD | 20210311 | |
| Unknown | China national standards | MT | USD | 20210311 | |
| Unknown | China national standards | MT | USD | 20210310 |