| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 630.0 | USD | 20210123 |
| Unknown | China national standards | MT | 790.0 | USD | 20210122 |
| Unknown | China national standards | MT | 910.0 | USD | 20210121 |
| Unknown | China national standards | MT | 820.0 | USD | 20210121 |
| Unknown | China national standards | MT | 720.0 | USD | 20210120 |
| Unknown | China national standards | MT | 720.0 | USD | 20210118 |
| Unknown | China national standards | MT | 780.0 | USD | 20210118 |
| Unknown | China national standards | MT | 120.0 | USD | 20210116 |
| Unknown | China national standards | MT | 910.0 | USD | 20210114 |
| Unknown | China national standards | MT | 110.0 | USD | 20210112 |