| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1370.0 | USD | 20210123 |
| Unknown | China national standards | MT | 220.0 | USD | 20210123 |
| Unknown | China national standards | MT | 220.0 | USD | 20210121 |
| Unknown | China national standards | MT | 180.0 | USD | 20210121 |
| Unknown | China national standards | MT | 190.0 | USD | 20210120 |
| Unknown | China national standards | MT | 1250.0 | USD | 20210119 |
| Unknown | China national standards | MT | 210.0 | USD | 20210119 |
| Unknown | China national standards | MT | 1150.0 | USD | 20210116 |
| Unknown | China national standards | MT | 220.0 | USD | 20210115 |
| Unknown | China national standards | MT | 220.0 | USD | 20210114 |