| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 740.0 | USD | 20191021 |
| Unknown | China national standards | MT | 160.0 | USD | 20191021 |
| Unknown | China national standards | MT | 100.0 | USD | 20191020 |
| Unknown | China national standards | MT | 100.0 | USD | 20191019 |
| Unknown | China national standards | MT | 700.0 | USD | 20191018 |
| Unknown | China national standards | MT | 160.0 | USD | 20191017 |
| Unknown | China national standards | MT | 100.0 | USD | 20191017 |
| Unknown | China national standards | MT | 1150.0 | USD | 20191016 |
| Unknown | China national standards | MT | 750.0 | USD | 20191016 |
| Unknown | China national standards | MT | 710.0 | USD | 20191015 |