| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1620.0 | USD | 20190419 |
| Unknown | China national standards | MT | 230.0 | USD | 20190418 |
| Unknown | China national standards | MT | 1590.0 | USD | 20190418 |
| Unknown | China national standards | MT | 240.0 | USD | 20190418 |
| Unknown | China national standards | MT | 240.0 | USD | 20190415 |
| Unknown | China national standards | MT | 1620.0 | USD | 20190415 |
| Unknown | China national standards | MT | 240.0 | USD | 20190415 |
| Unknown | China national standards | MT | 1580.0 | USD | 20190414 |
| Unknown | China national standards | MT | 1560.0 | USD | 20190413 |
| Unknown | China national standards | MT | 1580.0 | USD | 20190412 |