| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20860.0 | USD | 20190101 |
| Unknown | China national standards | MT | 120.0 | USD | 20190101 |
| Unknown | China national standards | MT | 570.0 | USD | 20181223 |
| Unknown | China national standards | MT | 4840.0 | USD | 20181223 |
| Unknown | China national standards | MT | 130.0 | USD | 20181222 |
| Unknown | China national standards | MT | 170.0 | USD | 20181221 |
| Unknown | China national standards | MT | 3540.0 | USD | 20181218 |
| Unknown | China national standards | MT | 28490.0 | USD | 20181217 |
| Unknown | China national standards | MT | 197870.0 | USD | 20181217 |
| Unknown | China national standards | MT | 28490.0 | USD | 20181217 |