| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4010.0 | USD | 20210322 |
| Unknown | China national standards | MT | 3260.0 | USD | 20210321 |
| Unknown | China national standards | MT | 3760.0 | USD | 20210321 |
| Unknown | China national standards | MT | 620.0 | USD | 20210321 |
| Unknown | China national standards | MT | 600.0 | USD | 20210321 |
| Unknown | China national standards | MT | 540.0 | USD | 20210321 |
| Unknown | China national standards | MT | 640.0 | USD | 20210320 |
| Unknown | China national standards | MT | 3870.0 | USD | 20210318 |
| Unknown | China national standards | MT | 3120.0 | USD | 20210317 |
| Unknown | China national standards | MT | 3760.0 | USD | 20210316 |