| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2240.0 | USD | 20190721 |
| Unknown | China national standards | MT | 380.0 | USD | 20190719 |
| Unknown | China national standards | MT | 150.0 | USD | 20190719 |
| Unknown | China national standards | MT | 630.0 | USD | 20190719 |
| Unknown | China national standards | MT | 660.0 | USD | 20190719 |
| Unknown | China national standards | MT | 100.0 | USD | 20190717 |
| Unknown | China national standards | MT | 380.0 | USD | 20190715 |
| Unknown | China national standards | MT | 570.0 | USD | 20190715 |
| Unknown | China national standards | MT | 100.0 | USD | 20190714 |
| Unknown | China national standards | MT | 100.0 | USD | 20190711 |