| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20220.0 | USD | 20190801 |
| Unknown | China national standards | MT | 10600.0 | USD | 20190801 |
| Unknown | China national standards | MT | 19080.0 | USD | 20190801 |
| Unknown | China national standards | MT | 18570.0 | USD | 20190801 |
| Unknown | China national standards | MT | 19740.0 | USD | 20190723 |
| Unknown | China national standards | MT | 3270.0 | USD | 20190719 |
| Unknown | China national standards | MT | 1730.0 | USD | 20190719 |
| Unknown | China national standards | MT | 2740.0 | USD | 20190719 |
| Unknown | China national standards | MT | 2730.0 | USD | 20190718 |
| Unknown | China national standards | MT | 19940.0 | USD | 20190718 |