| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1580.0 | USD | 20181217 |
| Unknown | China national standards | MT | 220.0 | USD | 20181216 |
| Unknown | China national standards | MT | 1780.0 | USD | 20181215 |
| Unknown | China national standards | MT | 230.0 | USD | 20181214 |
| Unknown | China national standards | MT | 260.0 | USD | 20181212 |
| Unknown | China national standards | MT | 230.0 | USD | 20181212 |
| Unknown | China national standards | MT | 1580.0 | USD | 20181211 |
| Unknown | China national standards | MT | 1670.0 | USD | 20181210 |
| Unknown | China national standards | MT | 1610.0 | USD | 20181201 |
| Unknown | China national standards | MT | 1760.0 | USD | 20181201 |