| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1610.0 | USD | 20180315 |
| Unknown | China national standards | MT | 1520.0 | USD | 20180314 |
| Unknown | China national standards | MT | 2750.0 | USD | 20180313 |
| Unknown | China national standards | MT | 1790.0 | USD | 20180313 |
| Unknown | China national standards | MT | 1610.0 | USD | 20180313 |
| Unknown | China national standards | MT | 240.0 | USD | 20180313 |
| Unknown | China national standards | MT | 320.0 | USD | 20180312 |
| Unknown | China national standards | MT | 320.0 | USD | 20180311 |
| Unknown | China national standards | MT | 2740.0 | USD | 20180310 |
| Unknown | China national standards | MT | 290.0 | USD | 20180301 |