| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 140.0 | USD | 20181220 |
| Unknown | China national standards | MT | 980.0 | USD | 20181220 |
| Unknown | China national standards | MT | 140.0 | USD | 20181219 |
| Unknown | China national standards | MT | 1390.0 | USD | 20181218 |
| Unknown | China national standards | MT | 630.0 | USD | 20181216 |
| Unknown | China national standards | MT | 330.0 | USD | 20181215 |
| Unknown | China national standards | MT | 980.0 | USD | 20181213 |
| Unknown | China national standards | MT | 200.0 | USD | 20181212 |
| Unknown | China national standards | MT | 330.0 | USD | 20181212 |
| Unknown | China national standards | MT | 4380.0 | USD | 20181212 |