| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5960.0 | USD | 20190817 |
| Unknown | China national standards | MT | 560.0 | USD | 20190815 |
| Unknown | China national standards | MT | 590.0 | USD | 20190815 |
| Unknown | China national standards | MT | 5970.0 | USD | 20190811 |
| Unknown | China national standards | MT | 590.0 | USD | 20190810 |
| Unknown | China national standards | MT | 4070.0 | USD | 20190810 |
| Unknown | China national standards | MT | 4140.0 | USD | 20190801 |
| Unknown | China national standards | MT | 880.0 | USD | 20190801 |
| Unknown | China national standards | MT | 4120.0 | USD | 20190801 |
| Unknown | China national standards | MT | 3900.0 | USD | 20190801 |