| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2770.0 | USD | 20190801 |
| Unknown | China national standards | MT | 3450.0 | USD | 20190801 |
| Unknown | China national standards | MT | 500.0 | USD | 20190801 |
| Unknown | China national standards | MT | 2940.0 | USD | 20190801 |
| Unknown | China national standards | MT | 430.0 | USD | 20190723 |
| Unknown | China national standards | MT | 2950.0 | USD | 20190723 |
| Unknown | China national standards | MT | 1740.0 | USD | 20190722 |
| Unknown | China national standards | MT | 2960.0 | USD | 20190721 |
| Unknown | China national standards | MT | 430.0 | USD | 20190719 |
| Unknown | China national standards | MT | 350.0 | USD | 20190719 |