| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 820.0 | USD | 20210220 |
| Unknown | China national standards | MT | 140.0 | USD | 20210220 |
| Unknown | China national standards | MT | 1040.0 | USD | 20210218 |
| Unknown | China national standards | MT | 890.0 | USD | 20210218 |
| Unknown | China national standards | MT | 120.0 | USD | 20210215 |
| Unknown | China national standards | MT | 120.0 | USD | 20210212 |
| Unknown | China national standards | MT | 140.0 | USD | 20210211 |
| Unknown | China national standards | MT | 540.0 | USD | 20210211 |
| Unknown | China national standards | MT | 890.0 | USD | 20210201 |
| Unknown | China national standards | MT | 540.0 | USD | 20210201 |