| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 12680.0 | USD | 20190801 |
| Unknown | China national standards | MT | 12680.0 | USD | 20190801 |
| Unknown | China national standards | MT | 9260.0 | USD | 20190723 |
| Unknown | China national standards | MT | 90.0 | USD | 20190722 |
| Unknown | China national standards | MT | 90.0 | USD | 20190720 |
| Unknown | China national standards | MT | 11380.0 | USD | 20190718 |
| Unknown | China national standards | MT | 11380.0 | USD | 20190718 |
| Unknown | China national standards | MT | 8190.0 | USD | 20190717 |
| Unknown | China national standards | MT | 90.0 | USD | 20190717 |
| Unknown | China national standards | MT | 600.0 | USD | 20190717 |