| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 220.0 | USD | 20180220 |
| Unknown | China national standards | MT | 1460.0 | USD | 20180219 |
| Unknown | China national standards | MT | 1460.0 | USD | 20180217 |
| Unknown | China national standards | MT | 580.0 | USD | 20180217 |
| Unknown | China national standards | MT | 220.0 | USD | 20180201 |
| Unknown | China national standards | MT | 580.0 | USD | 20180201 |
| Unknown | China national standards | MT | 5460.0 | USD | 20180110 |
| Unknown | China national standards | MT | 5460.0 | USD | 20180110 |
| Unknown | China national standards | MT | 820.0 | USD | 20180101 |
| Unknown | China national standards | MT | 820.0 | USD | 20180101 |