| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3270.0 | USD | 20190720 |
| Unknown | China national standards | MT | 320.0 | USD | 20190719 |
| Unknown | China national standards | MT | 470.0 | USD | 20190719 |
| Unknown | China national standards | MT | 40.0 | USD | 20190716 |
| Unknown | China national standards | MT | 178620.0 | USD | 20190716 |
| Unknown | China national standards | MT | 470.0 | USD | 20190712 |
| Unknown | China national standards | MT | 320.0 | USD | 20190711 |
| Unknown | China national standards | MT | 270.0 | USD | 20190701 |
| Unknown | China national standards | MT | 270.0 | USD | 20190701 |
| Unknown | China national standards | MT | 178600.02 | USD | 20190701 |