| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1670.0 | USD | 20190723 |
| Unknown | China national standards | MT | 130.0 | USD | 20190723 |
| Unknown | China national standards | MT | 230.0 | USD | 20190722 |
| Unknown | China national standards | MT | 880.0 | USD | 20190722 |
| Unknown | China national standards | MT | 260.0 | USD | 20190721 |
| Unknown | China national standards | MT | 1680.0 | USD | 20190721 |
| Unknown | China national standards | MT | 1670.0 | USD | 20190721 |
| Unknown | China national standards | MT | 260.0 | USD | 20190720 |
| Unknown | China national standards | MT | 1790.0 | USD | 20190719 |
| Unknown | China national standards | MT | 270.0 | USD | 20190718 |