| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 520.0 | USD | 20190318 |
| Unknown | China national standards | MT | 230.0 | USD | 20190317 |
| Unknown | China national standards | MT | 680.0 | USD | 20190317 |
| Unknown | China national standards | MT | 100.0 | USD | 20190315 |
| Unknown | China national standards | MT | 520.0 | USD | 20190314 |
| Unknown | China national standards | MT | 1540.0 | USD | 20190314 |
| Unknown | China national standards | MT | 680.0 | USD | 20190313 |
| Unknown | China national standards | MT | 700.0 | USD | 20190310 |
| Unknown | China national standards | MT | 110.0 | USD | 20190310 |
| Unknown | China national standards | MT | 680.0 | USD | 20190301 |