| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 70.0 | USD | 20181201 |
| Unknown | China national standards | MT | 30.0 | USD | 20181123 |
| Unknown | China national standards | MT | 100.0 | USD | 20181122 |
| Unknown | China national standards | MT | 270.0 | USD | 20181121 |
| Unknown | China national standards | MT | 40.0 | USD | 20181120 |
| Unknown | China national standards | MT | 670.0 | USD | 20181119 |
| Unknown | China national standards | MT | 40.0 | USD | 20181117 |
| Unknown | China national standards | MT | 100.0 | USD | 20181116 |
| Unknown | China national standards | MT | 220.0 | USD | 20181115 |
| Unknown | China national standards | MT | 680.0 | USD | 20181115 |