| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 14900.0 | USD | 20210320 |
| Unknown | China national standards | MT | 95950.0 | USD | 20210319 |
| Unknown | China national standards | MT | 14960.0 | USD | 20210318 |
| Unknown | China national standards | MT | 96460.0 | USD | 20210301 |
| Unknown | China national standards | MT | 104880.0 | USD | 20210223 |
| Unknown | China national standards | MT | 116410.0 | USD | 20210222 |
| Unknown | China national standards | MT | 116720.0 | USD | 20210216 |
| Unknown | China national standards | MT | 17860.0 | USD | 20210215 |
| Unknown | China national standards | MT | 17860.0 | USD | 20210214 |
| Unknown | China national standards | MT | 18330.0 | USD | 20210213 |