| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 205960.02 | USD | 20210213 |
| Unknown | China national standards | MT | 1337490.0 | USD | 20210212 |
| Unknown | China national standards | MT | 206240.02 | USD | 20210211 |
| Unknown | China national standards | MT | 1332360.0 | USD | 20210201 |
| Unknown | China national standards | MT | 184190.0 | USD | 20210123 |
| Unknown | China national standards | MT | 184190.0 | USD | 20210122 |
| Unknown | China national standards | MT | 142060.0 | USD | 20210122 |
| Unknown | China national standards | MT | 929700.0 | USD | 20210121 |
| Unknown | China national standards | MT | 1037350.0 | USD | 20210118 |
| Unknown | China national standards | MT | 158730.0 | USD | 20210118 |