| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 260.0 | USD | 20180623 |
| Unknown | China national standards | MT | 1650.0 | USD | 20180617 |
| Unknown | China national standards | MT | 260.0 | USD | 20180617 |
| Unknown | China national standards | MT | 210.0 | USD | 20180616 |
| Unknown | China national standards | MT | 1290.0 | USD | 20180616 |
| Unknown | China national standards | MT | 1290.0 | USD | 20180615 |
| Unknown | China national standards | MT | 1660.0 | USD | 20180610 |
| Unknown | China national standards | MT | 210.0 | USD | 20180601 |
| Unknown | China national standards | MT | 220.0 | USD | 20180523 |
| Unknown | China national standards | MT | 1390.0 | USD | 20180523 |