| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 6500.0 | USD | 20190801 |
| Unknown | China national standards | MT | 400.0 | USD | 20190801 |
| Unknown | China national standards | MT | 480.0 | USD | 20190722 |
| Unknown | China national standards | MT | 820.0 | USD | 20190722 |
| Unknown | China national standards | MT | 3470.0 | USD | 20190721 |
| Unknown | China national standards | MT | 2270.0 | USD | 20190720 |
| Unknown | China national standards | MT | 500.0 | USD | 20190717 |
| Unknown | China national standards | MT | 480.0 | USD | 20190716 |
| Unknown | China national standards | MT | 820.0 | USD | 20190713 |
| Unknown | China national standards | MT | 2270.0 | USD | 20190710 |