| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 27270.0 | USD | 20180623 |
| Unknown | China national standards | MT | 3750.0 | USD | 20180622 |
| Unknown | China national standards | MT | 3730.0 | USD | 20180621 |
| Unknown | China national standards | MT | 4220.0 | USD | 20180621 |
| Unknown | China national standards | MT | 23560.0 | USD | 20180621 |
| Unknown | China national standards | MT | 26890.0 | USD | 20180621 |
| Unknown | China national standards | MT | 20690.0 | USD | 20180620 |
| Unknown | China national standards | MT | 4920.0 | USD | 20180619 |
| Unknown | China national standards | MT | 3260.0 | USD | 20180619 |
| Unknown | China national standards | MT | 26430.0 | USD | 20180617 |