| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 18160.0 | USD | 20210201 |
| Unknown | China national standards | MT | 16850.0 | USD | 20210201 |
| Unknown | China national standards | MT | 5430.0 | USD | 20210123 |
| Unknown | China national standards | MT | 5430.0 | USD | 20210122 |
| Unknown | China national standards | MT | 7540.0 | USD | 20210120 |
| Unknown | China national standards | MT | 2750.0 | USD | 20210116 |
| Unknown | China national standards | MT | 7560.0 | USD | 20210115 |
| Unknown | China national standards | MT | 2750.0 | USD | 20210115 |
| Unknown | China national standards | MT | 49390.0 | USD | 20210114 |
| Unknown | China national standards | MT | 17970.0 | USD | 20210114 |