| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 600.0 | USD | 20190722 |
| Unknown | China national standards | MT | 630.0 | USD | 20190721 |
| Unknown | China national standards | MT | 580.0 | USD | 20190720 |
| Unknown | China national standards | MT | 590.0 | USD | 20190720 |
| Unknown | China national standards | MT | 4100.0 | USD | 20190720 |
| Unknown | China national standards | MT | 590.0 | USD | 20190719 |
| Unknown | China national standards | MT | 4080.0 | USD | 20190719 |
| Unknown | China national standards | MT | 4460.0 | USD | 20190719 |
| Unknown | China national standards | MT | 3800.0 | USD | 20190719 |
| Unknown | China national standards | MT | 650.0 | USD | 20190718 |