| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 410.0 | USD | 20181119 |
| Unknown | China national standards | MT | 840.0 | USD | 20181118 |
| Unknown | China national standards | MT | 160.0 | USD | 20181118 |
| Unknown | China national standards | MT | 1040.0 | USD | 20181116 |
| Unknown | China national standards | MT | 160.0 | USD | 20181116 |
| Unknown | China national standards | MT | 160.0 | USD | 20181113 |
| Unknown | China national standards | MT | 150.0 | USD | 20181112 |
| Unknown | China national standards | MT | 840.0 | USD | 20181101 |
| Unknown | China national standards | MT | 1030.0 | USD | 20181101 |
| Unknown | China national standards | MT | 1100.0 | USD | 20181101 |