| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 280.0 | USD | 20190223 |
| Unknown | China national standards | MT | 280.0 | USD | 20190221 |
| Unknown | China national standards | MT | 280.0 | USD | 20190220 |
| Unknown | China national standards | MT | 59980.0 | USD | 20190219 |
| Unknown | China national standards | MT | 1900.0 | USD | 20190218 |
| Unknown | China national standards | MT | 280.0 | USD | 20190216 |
| Unknown | China national standards | MT | 1880.0 | USD | 20190216 |
| Unknown | China national standards | MT | 59990.0 | USD | 20190215 |
| Unknown | China national standards | MT | 280.0 | USD | 20190213 |
| Unknown | China national standards | MT | 280.0 | USD | 20190213 |