| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 850.0 | USD | 20210223 |
| Unknown | China national standards | MT | 890.0 | USD | 20210223 |
| Unknown | China national standards | MT | 900.0 | USD | 20210223 |
| Unknown | China national standards | MT | 880.0 | USD | 20210221 |
| Unknown | China national standards | MT | 900.0 | USD | 20210219 |
| Unknown | China national standards | MT | 140.0 | USD | 20210217 |
| Unknown | China national standards | MT | 140.0 | USD | 20210217 |
| Unknown | China national standards | MT | 120.0 | USD | 20210216 |
| Unknown | China national standards | MT | 140.0 | USD | 20210215 |
| Unknown | China national standards | MT | 130.0 | USD | 20210214 |