| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3370.0 | USD | 20181201 |
| Unknown | China national standards | MT | 3310.0 | USD | 20181201 |
| Unknown | China national standards | MT | 3750.0 | USD | 20181201 |
| Unknown | China national standards | MT | 23400.0 | USD | 20181201 |
| Unknown | China national standards | MT | 24260.0 | USD | 20181122 |
| Unknown | China national standards | MT | 23620.0 | USD | 20181121 |
| Unknown | China national standards | MT | 3540.0 | USD | 20181120 |
| Unknown | China national standards | MT | 22440.0 | USD | 20181120 |
| Unknown | China national standards | MT | 3410.0 | USD | 20181119 |
| Unknown | China national standards | MT | 3540.0 | USD | 20181119 |