| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5160.0 | USD | 20210221 |
| Unknown | China national standards | MT | 4470.0 | USD | 20210220 |
| Unknown | China national standards | MT | 820.0 | USD | 20210220 |
| Unknown | China national standards | MT | 730.0 | USD | 20210219 |
| Unknown | China national standards | MT | 5160.0 | USD | 20210219 |
| Unknown | China national standards | MT | 4280.0 | USD | 20210218 |
| Unknown | China national standards | MT | 5120.0 | USD | 20210218 |
| Unknown | China national standards | MT | 880.0 | USD | 20210218 |
| Unknown | China national standards | MT | 4280.0 | USD | 20210218 |
| Unknown | China national standards | MT | 790.0 | USD | 20210216 |