| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 480.0 | USD | 20190221 |
| Unknown | China national standards | MT | 400.0 | USD | 20190221 |
| Unknown | China national standards | MT | 2960.0 | USD | 20190220 |
| Unknown | China national standards | MT | 2750.0 | USD | 20190219 |
| Unknown | China national standards | MT | 3400.0 | USD | 20190216 |
| Unknown | China national standards | MT | 500.0 | USD | 20190212 |
| Unknown | China national standards | MT | 3230.0 | USD | 20190210 |
| Unknown | China national standards | MT | 3230.0 | USD | 20190201 |
| Unknown | China national standards | MT | 3430.0 | USD | 20190201 |
| Unknown | China national standards | MT | 2980.0 | USD | 20190201 |