| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1450.0 | USD | 20190323 |
| Unknown | China national standards | MT | 1470.0 | USD | 20190318 |
| Unknown | China national standards | MT | 1560.0 | USD | 20190317 |
| Unknown | China national standards | MT | 220.0 | USD | 20190316 |
| Unknown | China national standards | MT | 210.0 | USD | 20190315 |
| Unknown | China national standards | MT | 260.0 | USD | 20190314 |
| Unknown | China national standards | MT | 230.0 | USD | 20190313 |
| Unknown | China national standards | MT | 1780.0 | USD | 20190310 |
| Unknown | China national standards | MT | 260.0 | USD | 20190310 |
| Unknown | China national standards | MT | 230.0 | USD | 20190301 |