| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 490.0 | USD | 20180201 |
| Unknown | China national standards | MT | 200.0 | USD | 20180201 |
| Unknown | China national standards | MT | 460.0 | USD | 20180123 |
| Unknown | China national standards | MT | 3260.0 | USD | 20180121 |
| Unknown | China national standards | MT | 3410.0 | USD | 20180120 |
| Unknown | China national standards | MT | 480.0 | USD | 20180120 |
| Unknown | China national standards | MT | 1300.0 | USD | 20180119 |
| Unknown | China national standards | MT | 4870.0 | USD | 20180119 |
| Unknown | China national standards | MT | 520.0 | USD | 20180119 |
| Unknown | China national standards | MT | 520.0 | USD | 20180119 |