| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20210323 |
| Unknown | China national standards | MT | 990.0 | USD | 20210322 |
| Unknown | China national standards | MT | 90.0 | USD | 20210321 |
| Unknown | China national standards | MT | 90.0 | USD | 20210320 |
| Unknown | China national standards | MT | 110.0 | USD | 20210320 |
| Unknown | China national standards | MT | 90.0 | USD | 20210320 |
| Unknown | China national standards | MT | 610.0 | USD | 20210318 |
| Unknown | China national standards | MT | 110.0 | USD | 20210318 |
| Unknown | China national standards | MT | 610.0 | USD | 20210318 |
| Unknown | China national standards | MT | 600.0 | USD | 20210317 |