| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2690.0 | USD | 20180316 |
| Unknown | China national standards | MT | 1860.0 | USD | 20180315 |
| Unknown | China national standards | MT | 290.0 | USD | 20180314 |
| Unknown | China national standards | MT | 3460.0 | USD | 20180313 |
| Unknown | China national standards | MT | 540.0 | USD | 20180312 |
| Unknown | China national standards | MT | 1850.0 | USD | 20180311 |
| Unknown | China national standards | MT | 2690.0 | USD | 20180301 |
| Unknown | China national standards | MT | 460.0 | USD | 20180301 |
| Unknown | China national standards | MT | 420.0 | USD | 20180301 |
| Unknown | China national standards | MT | 290.0 | USD | 20180301 |