| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 630.0 | USD | 20200517 |
| Unknown | China national standards | MT | 460.0 | USD | 20200515 |
| Unknown | China national standards | MT | 70.0 | USD | 20200515 |
| Unknown | China national standards | MT | 550.0 | USD | 20200514 |
| Unknown | China national standards | MT | 80.0 | USD | 20200513 |
| Unknown | China national standards | MT | 70.0 | USD | 20200513 |
| Unknown | China national standards | MT | 70.0 | USD | 20200513 |
| Unknown | China national standards | MT | 70.0 | USD | 20200512 |
| Unknown | China national standards | MT | 80.0 | USD | 20200512 |
| Unknown | China national standards | MT | 520.0 | USD | 20200511 |