| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 23970.0 | USD | 20181222 |
| Unknown | China national standards | MT | 3450.0 | USD | 20181221 |
| Unknown | China national standards | MT | 3730.0 | USD | 20181220 |
| Unknown | China national standards | MT | 25170.0 | USD | 20181219 |
| Unknown | China national standards | MT | 3450.0 | USD | 20181218 |
| Unknown | China national standards | MT | 24950.0 | USD | 20181217 |
| Unknown | China national standards | MT | 25250.0 | USD | 20181216 |
| Unknown | China national standards | MT | 3610.0 | USD | 20181216 |
| Unknown | China national standards | MT | 25960.0 | USD | 20181216 |
| Unknown | China national standards | MT | 6910.0 | USD | 20181215 |