| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 610.0 | USD | 20190920 |
| Unknown | China national standards | MT | 600.0 | USD | 20190919 |
| Unknown | China national standards | MT | 4240.0 | USD | 20190919 |
| Unknown | China national standards | MT | 3550.0 | USD | 20190919 |
| Unknown | China national standards | MT | 600.0 | USD | 20190918 |
| Unknown | China national standards | MT | 3550.0 | USD | 20190917 |
| Unknown | China national standards | MT | 590.0 | USD | 20190916 |
| Unknown | China national standards | MT | 4240.0 | USD | 20190916 |
| Unknown | China national standards | MT | 610.0 | USD | 20190915 |
| Unknown | China national standards | MT | 4180.0 | USD | 20190915 |