| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20210118 |
| Unknown | China national standards | MT | 130.0 | USD | 20210117 |
| Unknown | China national standards | MT | 80.0 | USD | 20210117 |
| Unknown | China national standards | MT | 140.0 | USD | 20210116 |
| Unknown | China national standards | MT | 70.0 | USD | 20210115 |
| Unknown | China national standards | MT | 560.0 | USD | 20210113 |
| Unknown | China national standards | MT | 130.0 | USD | 20210113 |
| Unknown | China national standards | MT | 490.0 | USD | 20210111 |
| Unknown | China national standards | MT | 90.0 | USD | 20210111 |
| Unknown | China national standards | MT | 60.0 | USD | 20210111 |