| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 610.0 | USD | 20180716 |
| Unknown | China national standards | MT | 3970.0 | USD | 20180714 |
| Unknown | China national standards | MT | 870.0 | USD | 20180621 |
| Unknown | China national standards | MT | 3750.0 | USD | 20180621 |
| Unknown | China national standards | MT | 590.0 | USD | 20180619 |
| Unknown | China national standards | MT | 5570.0 | USD | 20180619 |
| Unknown | China national standards | MT | 5570.0 | USD | 20180616 |
| Unknown | China national standards | MT | 3780.0 | USD | 20180616 |
| Unknown | China national standards | MT | 870.0 | USD | 20180615 |
| Unknown | China national standards | MT | 650.0 | USD | 20180615 |