| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 400.0 | USD | 20190114 |
| Unknown | China national standards | MT | 3450.0 | USD | 20190113 |
| Unknown | China national standards | MT | 2970.0 | USD | 20190112 |
| Unknown | China national standards | MT | 2970.0 | USD | 20190111 |
| Unknown | China national standards | MT | 430.0 | USD | 20190111 |
| Unknown | China national standards | MT | 2950.0 | USD | 20190110 |
| Unknown | China national standards | MT | 430.0 | USD | 20190110 |
| Unknown | China national standards | MT | 430.0 | USD | 20190110 |
| Unknown | China national standards | MT | 3410.0 | USD | 20190101 |
| Unknown | China national standards | MT | 390.0 | USD | 20190101 |