| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1640.0 | USD | 20210222 |
| Unknown | China national standards | MT | 240.0 | USD | 20210222 |
| Unknown | China national standards | MT | 1620.0 | USD | 20210221 |
| Unknown | China national standards | MT | 1730.0 | USD | 20210220 |
| Unknown | China national standards | MT | 2050.0 | USD | 20210219 |
| Unknown | China national standards | MT | 1600.0 | USD | 20210219 |
| Unknown | China national standards | MT | 1730.0 | USD | 20210219 |
| Unknown | China national standards | MT | 250.0 | USD | 20210219 |
| Unknown | China national standards | MT | 1640.0 | USD | 20210217 |
| Unknown | China national standards | MT | 1360.0 | USD | 20210216 |