| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 550.0 | USD | 20200513 |
| Unknown | China national standards | MT | 450.0 | USD | 20200513 |
| Unknown | China national standards | MT | 490.0 | USD | 20200512 |
| Unknown | China national standards | MT | 60.0 | USD | 20200512 |
| Unknown | China national standards | MT | 500.0 | USD | 20200511 |
| Unknown | China national standards | MT | 430.0 | USD | 20200501 |
| Unknown | China national standards | MT | 500.0 | USD | 20200501 |
| Unknown | China national standards | MT | 70.0 | USD | 20200501 |
| Unknown | China national standards | MT | 60.0 | USD | 20200501 |
| Unknown | China national standards | MT | 500.0 | USD | 20200501 |