| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 580.0 | USD | 20181121 |
| Unknown | China national standards | MT | 490.0 | USD | 20181120 |
| Unknown | China national standards | MT | 3410.0 | USD | 20181119 |
| Unknown | China national standards | MT | 3400.0 | USD | 20181118 |
| Unknown | China national standards | MT | 3010.0 | USD | 20181118 |
| Unknown | China national standards | MT | 500.0 | USD | 20181117 |
| Unknown | China national standards | MT | 480.0 | USD | 20181116 |
| Unknown | China national standards | MT | 3140.0 | USD | 20181116 |
| Unknown | China national standards | MT | 3340.0 | USD | 20181116 |
| Unknown | China national standards | MT | 3540.0 | USD | 20181116 |