| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 180.0 | USD | 20190301 |
| Unknown | China national standards | MT | 1110.0 | USD | 20190223 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190222 |
| Unknown | China national standards | MT | 150.0 | USD | 20190222 |
| Unknown | China national standards | MT | 150.0 | USD | 20190221 |
| Unknown | China national standards | MT | 1020.0 | USD | 20190220 |
| Unknown | China national standards | MT | 1010.0 | USD | 20190220 |
| Unknown | China national standards | MT | 1220.0 | USD | 20190220 |
| Unknown | China national standards | MT | 150.0 | USD | 20190220 |
| Unknown | China national standards | MT | 1010.0 | USD | 20190219 |