| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 170.0 | USD | 20180701 |
| Unknown | China national standards | MT | 170.0 | USD | 20180701 |
| Unknown | China national standards | MT | 1230.0 | USD | 20180622 |
| Unknown | China national standards | MT | 220.0 | USD | 20180622 |
| Unknown | China national standards | MT | 1220.0 | USD | 20180621 |
| Unknown | China national standards | MT | 190.0 | USD | 20180619 |
| Unknown | China national standards | MT | 190.0 | USD | 20180618 |
| Unknown | China national standards | MT | 190.0 | USD | 20180617 |
| Unknown | China national standards | MT | 1360.0 | USD | 20180616 |
| Unknown | China national standards | MT | 1240.0 | USD | 20180616 |