| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5060.0 | USD | 20210322 |
| Unknown | China national standards | MT | 790.0 | USD | 20210321 |
| Unknown | China national standards | MT | 5070.0 | USD | 20210321 |
| Unknown | China national standards | MT | 810.0 | USD | 20210321 |
| Unknown | China national standards | MT | 980.0 | USD | 20210319 |
| Unknown | China national standards | MT | 2630.0 | USD | 20210318 |
| Unknown | China national standards | MT | 410.0 | USD | 20210314 |
| Unknown | China national standards | MT | 1030.0 | USD | 20210311 |
| Unknown | China national standards | MT | 1030.0 | USD | 20210311 |
| Unknown | China national standards | MT | 5220.0 | USD | 20210311 |