| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 230.0 | USD | 20190301 |
| Unknown | China national standards | MT | 220.0 | USD | 20190222 |
| Unknown | China national standards | MT | 240.0 | USD | 20190222 |
| Unknown | China national standards | MT | 1500.0 | USD | 20190221 |
| Unknown | China national standards | MT | 1370.0 | USD | 20190220 |
| Unknown | China national standards | MT | 200.0 | USD | 20190218 |
| Unknown | China national standards | MT | 1890.0 | USD | 20190217 |
| Unknown | China national standards | MT | 280.0 | USD | 20190217 |
| Unknown | China national standards | MT | 260.0 | USD | 20190217 |
| Unknown | China national standards | MT | 1760.0 | USD | 20190216 |