| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5490.0 | USD | 20180313 |
| Unknown | China national standards | MT | 6430.0 | USD | 20180311 |
| Unknown | China national standards | MT | 5300.0 | USD | 20180311 |
| Unknown | China national standards | MT | 34720.0 | USD | 20180310 |
| Unknown | China national standards | MT | 29790.0 | USD | 20180310 |
| Unknown | China national standards | MT | 4700.0 | USD | 20180310 |
| Unknown | China national standards | MT | 33400.0 | USD | 20180301 |
| Unknown | China national standards | MT | 37900.0 | USD | 20180301 |
| Unknown | China national standards | MT | 34150.0 | USD | 20180301 |
| Unknown | China national standards | MT | 36890.0 | USD | 20180301 |