| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 23190.0 | USD | 20210322 |
| Unknown | China national standards | MT | 23230.0 | USD | 20210321 |
| Unknown | China national standards | MT | 23740.0 | USD | 20210320 |
| Unknown | China national standards | MT | 24150.0 | USD | 20210320 |
| Unknown | China national standards | MT | 24230.0 | USD | 20210318 |
| Unknown | China national standards | MT | 3750.0 | USD | 20210317 |
| Unknown | China national standards | MT | 3690.0 | USD | 20210317 |
| Unknown | China national standards | MT | 3690.0 | USD | 20210316 |
| Unknown | China national standards | MT | USD | 20210314 | |
| Unknown | China national standards | MT | USD | 20210314 |