| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20190101 |
| Unknown | China national standards | MT | 140.0 | USD | 20190101 |
| Unknown | China national standards | MT | 160.0 | USD | 20190101 |
| Unknown | China national standards | MT | 140.0 | USD | 20190101 |
| Unknown | China national standards | MT | 1760.0 | USD | 20181223 |
| Unknown | China national standards | MT | 920.0 | USD | 20181223 |
| Unknown | China national standards | MT | 190.0 | USD | 20181222 |
| Unknown | China national standards | MT | 1140.0 | USD | 20181221 |
| Unknown | China national standards | MT | 1050.0 | USD | 20181221 |
| Unknown | China national standards | MT | 920.0 | USD | 20181221 |