| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1800.0 | USD | 20210322 |
| Unknown | China national standards | MT | 1810.0 | USD | 20210318 |
| Unknown | China national standards | MT | 11680.0 | USD | 20210316 |
| Unknown | China national standards | MT | 11720.0 | USD | 20210312 |
| Unknown | China national standards | MT | 14630.0 | USD | 20210222 |
| Unknown | China national standards | MT | 2240.0 | USD | 20210218 |
| Unknown | China national standards | MT | 2240.0 | USD | 20210211 |
| Unknown | China national standards | MT | 14610.0 | USD | 20210201 |
| Unknown | China national standards | MT | 1650.0 | USD | 20210123 |
| Unknown | China national standards | MT | 10680.0 | USD | 20210122 |