| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 420.0 | USD | 20190611 |
| Unknown | China national standards | MT | 3650.0 | USD | 20190610 |
| Unknown | China national standards | MT | 420.0 | USD | 20190601 |
| Unknown | China national standards | MT | 680.0 | USD | 20190601 |
| Unknown | China national standards | MT | 4590.0 | USD | 20190601 |
| Unknown | China national standards | MT | 2960.0 | USD | 20190601 |
| Unknown | China national standards | MT | 550.0 | USD | 20190521 |
| Unknown | China national standards | MT | 620.0 | USD | 20190519 |
| Unknown | China national standards | MT | 620.0 | USD | 20190518 |
| Unknown | China national standards | MT | 4140.0 | USD | 20190518 |