| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 550.0 | USD | 20190801 |
| Unknown | China national standards | MT | 5920.0 | USD | 20190801 |
| Unknown | China national standards | MT | 1030.0 | USD | 20190718 |
| Unknown | China national standards | MT | 570.0 | USD | 20190710 |
| Unknown | China national standards | MT | 570.0 | USD | 20190701 |
| Unknown | China national standards | MT | 1030.0 | USD | 20190701 |
| Unknown | China national standards | MT | 3960.0 | USD | 20190701 |
| Unknown | China national standards | MT | 3960.0 | USD | 20190701 |
| Unknown | China national standards | MT | 7120.0 | USD | 20190701 |
| Unknown | China national standards | MT | 7120.0 | USD | 20190701 |