| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 70.0 | USD | 20210122 |
| Unknown | China national standards | MT | 730.0 | USD | 20210122 |
| Unknown | China national standards | MT | 590.0 | USD | 20210121 |
| Unknown | China national standards | MT | 470.0 | USD | 20210121 |
| Unknown | China national standards | MT | 530.0 | USD | 20210121 |
| Unknown | China national standards | MT | 90.0 | USD | 20210120 |
| Unknown | China national standards | MT | 470.0 | USD | 20210118 |
| Unknown | China national standards | MT | 470.0 | USD | 20210117 |
| Unknown | China national standards | MT | 70.0 | USD | 20210117 |
| Unknown | China national standards | MT | 730.0 | USD | 20210116 |