| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3740.0 | USD | 20180621 |
| Unknown | China national standards | MT | 3600.0 | USD | 20180620 |
| Unknown | China national standards | MT | 3830.0 | USD | 20180620 |
| Unknown | China national standards | MT | 3200.0 | USD | 20180620 |
| Unknown | China national standards | MT | 610.0 | USD | 20180619 |
| Unknown | China national standards | MT | 570.0 | USD | 20180618 |
| Unknown | China national standards | MT | 550.0 | USD | 20180616 |
| Unknown | China national standards | MT | 600.0 | USD | 20180616 |
| Unknown | China national standards | MT | 3480.0 | USD | 20180615 |
| Unknown | China national standards | MT | 570.0 | USD | 20180614 |