| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 190.0 | USD | 20210121 |
| Unknown | China national standards | MT | 1760.0 | USD | 20210118 |
| Unknown | China national standards | MT | 1300.0 | USD | 20210117 |
| Unknown | China national standards | MT | 1550.0 | USD | 20210117 |
| Unknown | China national standards | MT | 230.0 | USD | 20210116 |
| Unknown | China national standards | MT | 200.0 | USD | 20210116 |
| Unknown | China national standards | MT | 1770.0 | USD | 20210115 |
| Unknown | China national standards | MT | 270.0 | USD | 20210114 |
| Unknown | China national standards | MT | 240.0 | USD | 20210114 |
| Unknown | China national standards | MT | 270.0 | USD | 20210113 |