| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 80.0 | USD | 20190920 |
| Unknown | China national standards | MT | 670.0 | USD | 20190918 |
| Unknown | China national standards | MT | 100.0 | USD | 20190914 |
| Unknown | China national standards | MT | 700.0 | USD | 20190913 |
| Unknown | China national standards | MT | 660.0 | USD | 20190912 |
| Unknown | China national standards | MT | 1520.0 | USD | 20190912 |
| Unknown | China national standards | MT | 660.0 | USD | 20190910 |
| Unknown | China national standards | MT | 600.0 | USD | 20190910 |
| Unknown | China national standards | MT | 600.0 | USD | 20190901 |
| Unknown | China national standards | MT | 700.0 | USD | 20190901 |