| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 110.0 | USD | 20190101 |
| Unknown | China national standards | MT | 180.0 | USD | 20190101 |
| Unknown | China national standards | MT | 830.0 | USD | 20181223 |
| Unknown | China national standards | MT | 930.0 | USD | 20181223 |
| Unknown | China national standards | MT | 850.0 | USD | 20181222 |
| Unknown | China national standards | MT | 1000.0 | USD | 20181222 |
| Unknown | China national standards | MT | 870.0 | USD | 20181222 |
| Unknown | China national standards | MT | 140.0 | USD | 20181221 |
| Unknown | China national standards | MT | 580.0 | USD | 20181220 |
| Unknown | China national standards | MT | 180.0 | USD | 20181219 |