| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3750.0 | USD | 20180201 |
| Unknown | China national standards | MT | 3810.0 | USD | 20180201 |
| Unknown | China national standards | MT | 3450.0 | USD | 20180122 |
| Unknown | China national standards | MT | 4750.0 | USD | 20180121 |
| Unknown | China national standards | MT | 17560.0 | USD | 20180119 |
| Unknown | China national standards | MT | 1190.0 | USD | 20180119 |
| Unknown | China national standards | MT | 3360.0 | USD | 20180118 |
| Unknown | China national standards | MT | 2650.0 | USD | 20180117 |
| Unknown | China national standards | MT | 22200.0 | USD | 20180117 |
| Unknown | China national standards | MT | 3360.0 | USD | 20180117 |