| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 440.0 | USD | 20190918 |
| Unknown | China national standards | MT | 50.0 | USD | 20190917 |
| Unknown | China national standards | MT | 450.0 | USD | 20190917 |
| Unknown | China national standards | MT | 2640.0 | USD | 20190917 |
| Unknown | China national standards | MT | 3480.0 | USD | 20190916 |
| Unknown | China national standards | MT | 340.0 | USD | 20190915 |
| Unknown | China national standards | MT | 320.0 | USD | 20190915 |
| Unknown | China national standards | MT | 370.0 | USD | 20190915 |
| Unknown | China national standards | MT | 470.0 | USD | 20190915 |
| Unknown | China national standards | MT | 2640.0 | USD | 20190915 |