| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 460.0 | USD | 20190222 |
| Unknown | China national standards | MT | 80.0 | USD | 20190222 |
| Unknown | China national standards | MT | 490.0 | USD | 20190221 |
| Unknown | China national standards | MT | 60.0 | USD | 20190221 |
| Unknown | China national standards | MT | 400.0 | USD | 20190220 |
| Unknown | China national standards | MT | 60.0 | USD | 20190219 |
| Unknown | China national standards | MT | 60.0 | USD | 20190219 |
| Unknown | China national standards | MT | 800.0 | USD | 20190218 |
| Unknown | China national standards | MT | 60.0 | USD | 20190218 |
| Unknown | China national standards | MT | 60.0 | USD | 20190218 |