| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 240.0 | USD | 20210121 |
| Unknown | China national standards | MT | 1360.0 | USD | 20210120 |
| Unknown | China national standards | MT | 1430.0 | USD | 20210119 |
| Unknown | China national standards | MT | 1590.0 | USD | 20210119 |
| Unknown | China national standards | MT | 210.0 | USD | 20210118 |
| Unknown | China national standards | MT | 240.0 | USD | 20210117 |
| Unknown | China national standards | MT | 1360.0 | USD | 20210114 |
| Unknown | China national standards | MT | 210.0 | USD | 20210114 |
| Unknown | China national standards | MT | 1560.0 | USD | 20210114 |
| Unknown | China national standards | MT | 1640.0 | USD | 20210101 |