| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 11710.0 | USD | 20210320 |
| Unknown | China national standards | MT | 1810.0 | USD | 20210319 |
| Unknown | China national standards | MT | 302500.0 | USD | 20210319 |
| Unknown | China national standards | MT | 1830.0 | USD | 20210318 |
| Unknown | China national standards | MT | 11770.0 | USD | 20210317 |
| Unknown | China national standards | MT | 303680.0 | USD | 20210314 |
| Unknown | China national standards | MT | 11760.0 | USD | 20210313 |
| Unknown | China national standards | MT | 47070.0 | USD | 20210311 |
| Unknown | China national standards | MT | 11750.0 | USD | 20210310 |
| Unknown | China national standards | MT | 47230.0 | USD | 20210301 |