| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 300.0 | USD | 20181218 |
| Unknown | China national standards | MT | 40.0 | USD | 20181217 |
| Unknown | China national standards | MT | 2870.0 | USD | 20181121 |
| Unknown | China national standards | MT | 410.0 | USD | 20181119 |
| Unknown | China national standards | MT | 300.0 | USD | 20181118 |
| Unknown | China national standards | MT | 300.0 | USD | 20181116 |
| Unknown | China national standards | MT | 410.0 | USD | 20181115 |
| Unknown | China national standards | MT | 2870.0 | USD | 20181114 |
| Unknown | China national standards | MT | 40.0 | USD | 20181113 |
| Unknown | China national standards | MT | 40.0 | USD | 20181112 |