| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 111360.0 | USD | 20190112 |
| Unknown | China national standards | MT | 15540.0 | USD | 20190111 |
| Unknown | China national standards | MT | 110190.0 | USD | 20190101 |
| Unknown | China national standards | MT | 15380.0 | USD | 20190101 |
| Unknown | China national standards | MT | 33120.0 | USD | 20181223 |
| Unknown | China national standards | MT | 847620.0 | USD | 20181221 |
| Unknown | China national standards | MT | 15400.0 | USD | 20181220 |
| Unknown | China national standards | MT | 229870.0 | USD | 20181219 |
| Unknown | China national standards | MT | 106590.0 | USD | 20181217 |
| Unknown | China national standards | MT | 122180.0 | USD | 20181216 |