| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 270.0 | USD | 20180501 |
| Unknown | China national standards | MT | 320.0 | USD | 20180423 |
| Unknown | China national standards | MT | 280.0 | USD | 20180422 |
| Unknown | China national standards | MT | 1860.0 | USD | 20180421 |
| Unknown | China national standards | MT | 300.0 | USD | 20180421 |
| Unknown | China national standards | MT | 300.0 | USD | 20180421 |
| Unknown | China national standards | MT | 1830.0 | USD | 20180420 |
| Unknown | China national standards | MT | 1890.0 | USD | 20180420 |
| Unknown | China national standards | MT | 1900.0 | USD | 20180420 |
| Unknown | China national standards | MT | 2270.0 | USD | 20180420 |