| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 500.0 | USD | 20180316 |
| Unknown | China national standards | MT | 470.0 | USD | 20180316 |
| Unknown | China national standards | MT | 920.0 | USD | 20180315 |
| Unknown | China national standards | MT | 3460.0 | USD | 20180315 |
| Unknown | China national standards | MT | 23510.0 | USD | 20180315 |
| Unknown | China national standards | MT | 4080.0 | USD | 20180314 |
| Unknown | China national standards | MT | 6020.0 | USD | 20180314 |
| Unknown | China national standards | MT | 5060.0 | USD | 20180313 |
| Unknown | China national standards | MT | 640.0 | USD | 20180312 |
| Unknown | China national standards | MT | 1630.0 | USD | 20180310 |