| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 40.0 | USD | 20190101 |
| Unknown | China national standards | MT | 280.0 | USD | 20190101 |
| Unknown | China national standards | MT | 1150.0 | USD | 20181223 |
| Unknown | China national standards | MT | 220.0 | USD | 20181223 |
| Unknown | China national standards | MT | 240.0 | USD | 20181222 |
| Unknown | China national standards | MT | 540.0 | USD | 20181222 |
| Unknown | China national standards | MT | 1570.0 | USD | 20181222 |
| Unknown | China national standards | MT | 700.0 | USD | 20181222 |
| Unknown | China national standards | MT | 30.0 | USD | 20181221 |
| Unknown | China national standards | MT | 40.0 | USD | 20181221 |