| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 600.0 | USD | 20181216 |
| Unknown | China national standards | MT | 580.0 | USD | 20181215 |
| Unknown | China national standards | MT | 4150.0 | USD | 20181201 |
| Unknown | China national standards | MT | 580.0 | USD | 20181201 |
| Unknown | China national standards | MT | 3980.0 | USD | 20181201 |
| Unknown | China national standards | MT | 600.0 | USD | 20181201 |
| Unknown | China national standards | MT | 3880.0 | USD | 20181122 |
| Unknown | China national standards | MT | 570.0 | USD | 20181121 |
| Unknown | China national standards | MT | 580.0 | USD | 20181121 |
| Unknown | China national standards | MT | 3980.0 | USD | 20181118 |