| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 650.0 | USD | 20190916 |
| Unknown | China national standards | MT | 210.0 | USD | 20190915 |
| Unknown | China national standards | MT | 270.0 | USD | 20190915 |
| Unknown | China national standards | MT | 1320.0 | USD | 20190915 |
| Unknown | China national standards | MT | 650.0 | USD | 20190914 |
| Unknown | China national standards | MT | 1470.0 | USD | 20190912 |
| Unknown | China national standards | MT | 1760.0 | USD | 20190912 |
| Unknown | China national standards | MT | 250.0 | USD | 20190911 |
| Unknown | China national standards | MT | 250.0 | USD | 20190901 |
| Unknown | China national standards | MT | 1880.0 | USD | 20190901 |