| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 930.0 | USD | 20210223 |
| Unknown | China national standards | MT | 140.0 | USD | 20210222 |
| Unknown | China national standards | MT | 890.0 | USD | 20210222 |
| Unknown | China national standards | MT | 990.0 | USD | 20210222 |
| Unknown | China national standards | MT | 960.0 | USD | 20210221 |
| Unknown | China national standards | MT | 880.0 | USD | 20210221 |
| Unknown | China national standards | MT | 750.0 | USD | 20210220 |
| Unknown | China national standards | MT | 130.0 | USD | 20210220 |
| Unknown | China national standards | MT | 140.0 | USD | 20210219 |
| Unknown | China national standards | MT | 750.0 | USD | 20210219 |