| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 730.0 | USD | 20210116 |
| Unknown | China national standards | MT | 720.0 | USD | 20210115 |
| Unknown | China national standards | MT | 600.0 | USD | 20210114 |
| Unknown | China national standards | MT | 100.0 | USD | 20210114 |
| Unknown | China national standards | MT | 80.0 | USD | 20210113 |
| Unknown | China national standards | MT | 660.0 | USD | 20210112 |
| Unknown | China national standards | MT | 90.0 | USD | 20210111 |
| Unknown | China national standards | MT | 110.0 | USD | 20210111 |
| Unknown | China national standards | MT | 110.0 | USD | 20210111 |
| Unknown | China national standards | MT | 550.0 | USD | 20210110 |