| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 670.0 | USD | 20180315 |
| Unknown | China national standards | MT | 1360.0 | USD | 20180315 |
| Unknown | China national standards | MT | 190.0 | USD | 20180314 |
| Unknown | China national standards | MT | 110.0 | USD | 20180314 |
| Unknown | China national standards | MT | 230.0 | USD | 20180313 |
| Unknown | China national standards | MT | 840.0 | USD | 20180313 |
| Unknown | China national standards | MT | 200.0 | USD | 20180312 |
| Unknown | China national standards | MT | 840.0 | USD | 20180312 |
| Unknown | China national standards | MT | 230.0 | USD | 20180311 |
| Unknown | China national standards | MT | 220.0 | USD | 20180311 |