| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1730.0 | USD | 20190418 |
| Unknown | China national standards | MT | 300.0 | USD | 20190415 |
| Unknown | China national standards | MT | 2750.0 | USD | 20190414 |
| Unknown | China national standards | MT | 260.0 | USD | 20190414 |
| Unknown | China national standards | MT | 2030.0 | USD | 20190413 |
| Unknown | China national standards | MT | 2750.0 | USD | 20190413 |
| Unknown | China national standards | MT | 410.0 | USD | 20190401 |
| Unknown | China national standards | MT | 410.0 | USD | 20190401 |
| Unknown | China national standards | MT | 2030.0 | USD | 20190401 |
| Unknown | China national standards | MT | 410.0 | USD | 20190401 |