| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2370.0 | USD | 20181220 |
| Unknown | China national standards | MT | 340.0 | USD | 20181220 |
| Unknown | China national standards | MT | 1580.0 | USD | 20181220 |
| Unknown | China national standards | MT | 2000.0 | USD | 20181217 |
| Unknown | China national standards | MT | 1950.0 | USD | 20181217 |
| Unknown | China national standards | MT | 2380.0 | USD | 20181216 |
| Unknown | China national standards | MT | 280.0 | USD | 20181215 |
| Unknown | China national standards | MT | 340.0 | USD | 20181213 |
| Unknown | China national standards | MT | 1980.0 | USD | 20181201 |
| Unknown | China national standards | MT | 1570.0 | USD | 20181201 |