| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 640.0 | USD | 20190717 |
| Unknown | China national standards | MT | 660.0 | USD | 20190715 |
| Unknown | China national standards | MT | 90.0 | USD | 20190715 |
| Unknown | China national standards | MT | 710.0 | USD | 20190715 |
| Unknown | China national standards | MT | 100.0 | USD | 20190713 |
| Unknown | China national standards | MT | 100.0 | USD | 20190713 |
| Unknown | China national standards | MT | 90.0 | USD | 20190712 |
| Unknown | China national standards | MT | 100.0 | USD | 20190711 |
| Unknown | China national standards | MT | 90.0 | USD | 20190711 |
| Unknown | China national standards | MT | 650.0 | USD | 20190710 |