| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 300.0 | USD | 20180301 |
| Unknown | China national standards | MT | 1830.0 | USD | 20180223 |
| Unknown | China national standards | MT | 290.0 | USD | 20180223 |
| Unknown | China national standards | MT | 290.0 | USD | 20180222 |
| Unknown | China national standards | MT | 1900.0 | USD | 20180221 |
| Unknown | China national standards | MT | 270.0 | USD | 20180220 |
| Unknown | China national standards | MT | 290.0 | USD | 20180220 |
| Unknown | China national standards | MT | 290.0 | USD | 20180217 |
| Unknown | China national standards | MT | 270.0 | USD | 20180216 |
| Unknown | China national standards | MT | 1830.0 | USD | 20180215 |