| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 390.0 | USD | 20180223 |
| Unknown | China national standards | MT | 180.0 | USD | 20180223 |
| Unknown | China national standards | MT | 60.0 | USD | 20180223 |
| Unknown | China national standards | MT | 1340.0 | USD | 20180221 |
| Unknown | China national standards | MT | 180.0 | USD | 20180221 |
| Unknown | China national standards | MT | 110.0 | USD | 20180220 |
| Unknown | China national standards | MT | 100.0 | USD | 20180219 |
| Unknown | China national standards | MT | 110.0 | USD | 20180218 |
| Unknown | China national standards | MT | 100.0 | USD | 20180217 |
| Unknown | China national standards | MT | 170.0 | USD | 20180217 |