| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2060.0 | USD | 20190101 |
| Unknown | China national standards | MT | 340.0 | USD | 20190101 |
| Unknown | China national standards | MT | 2620.0 | USD | 20181223 |
| Unknown | China national standards | MT | 2070.0 | USD | 20181223 |
| Unknown | China national standards | MT | 290.0 | USD | 20181222 |
| Unknown | China national standards | MT | 2060.0 | USD | 20181222 |
| Unknown | China national standards | MT | 300.0 | USD | 20181221 |
| Unknown | China national standards | MT | 380.0 | USD | 20181220 |
| Unknown | China national standards | MT | 6890.0 | USD | 20181219 |
| Unknown | China national standards | MT | 810.0 | USD | 20181219 |