| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 12660.0 | USD | 20190223 |
| Unknown | China national standards | MT | 1650.0 | USD | 20190223 |
| Unknown | China national standards | MT | 1610.0 | USD | 20190221 |
| Unknown | China national standards | MT | 12830.0 | USD | 20190219 |
| Unknown | China national standards | MT | 1600.0 | USD | 20190219 |
| Unknown | China national standards | MT | 1830.0 | USD | 20190216 |
| Unknown | China national standards | MT | 1860.0 | USD | 20190213 |
| Unknown | China national standards | MT | 12600.0 | USD | 20190211 |
| Unknown | China national standards | MT | 11400.0 | USD | 20190210 |
| Unknown | China national standards | MT | 10890.0 | USD | 20190201 |