| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 220.0 | USD | 20190418 |
| Unknown | China national standards | MT | 1450.0 | USD | 20190415 |
| Unknown | China national standards | MT | 220.0 | USD | 20190415 |
| Unknown | China national standards | MT | 1730.0 | USD | 20190414 |
| Unknown | China national standards | MT | 1450.0 | USD | 20190414 |
| Unknown | China national standards | MT | 1500.0 | USD | 20190412 |
| Unknown | China national standards | MT | 1620.0 | USD | 20190411 |
| Unknown | China national standards | MT | 260.0 | USD | 20190411 |
| Unknown | China national standards | MT | 260.0 | USD | 20190410 |
| Unknown | China national standards | MT | 210.0 | USD | 20190410 |