| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 260.0 | USD | 20181221 |
| Unknown | China national standards | MT | 1830.0 | USD | 20181221 |
| Unknown | China national standards | MT | 320.0 | USD | 20181220 |
| Unknown | China national standards | MT | 2180.0 | USD | 20181217 |
| Unknown | China national standards | MT | 260.0 | USD | 20181215 |
| Unknown | China national standards | MT | 1820.0 | USD | 20181214 |
| Unknown | China national standards | MT | 260.0 | USD | 20181210 |
| Unknown | China national standards | MT | 1820.0 | USD | 20181210 |
| Unknown | China national standards | MT | 320.0 | USD | 20181210 |
| Unknown | China national standards | MT | 1800.0 | USD | 20181201 |