| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 890.0 | USD | 20210201 |
| Unknown | China national standards | MT | 140.0 | USD | 20210201 |
| Unknown | China national standards | MT | 1040.0 | USD | 20210123 |
| Unknown | China national standards | MT | 150.0 | USD | 20210123 |
| Unknown | China national standards | MT | 970.0 | USD | 20210122 |
| Unknown | China national standards | MT | 970.0 | USD | 20210121 |
| Unknown | China national standards | MT | 120.0 | USD | 20210120 |
| Unknown | China national standards | MT | 900.0 | USD | 20210119 |
| Unknown | China national standards | MT | 140.0 | USD | 20210119 |
| Unknown | China national standards | MT | 150.0 | USD | 20210118 |