| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4750.0 | USD | 20210321 |
| Unknown | China national standards | MT | 1990.0 | USD | 20210320 |
| Unknown | China national standards | MT | 740.0 | USD | 20210319 |
| Unknown | China national standards | MT | 12930.0 | USD | 20210318 |
| Unknown | China national standards | MT | 890.0 | USD | 20210316 |
| Unknown | China national standards | MT | 12900.0 | USD | 20210315 |
| Unknown | China national standards | MT | 870.0 | USD | 20210315 |
| Unknown | China national standards | MT | 5750.0 | USD | 20210315 |
| Unknown | China national standards | MT | 2000.0 | USD | 20210314 |
| Unknown | China national standards | MT | 870.0 | USD | 20210311 |