| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 580.0 | USD | 20190301 |
| Unknown | China national standards | MT | 380.0 | USD | 20190301 |
| Unknown | China national standards | MT | 90.0 | USD | 20190301 |
| Unknown | China national standards | MT | 90.0 | USD | 20190301 |
| Unknown | China national standards | MT | 100.0 | USD | 20190301 |
| Unknown | China national standards | MT | 600.0 | USD | 20190223 |
| Unknown | China national standards | MT | 630.0 | USD | 20190222 |
| Unknown | China national standards | MT | 150.0 | USD | 20190222 |
| Unknown | China national standards | MT | 90.0 | USD | 20190221 |
| Unknown | China national standards | MT | 90.0 | USD | 20190221 |