| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 230.0 | USD | 20190320 |
| Unknown | China national standards | MT | 210.0 | USD | 20190319 |
| Unknown | China national standards | MT | 1640.0 | USD | 20190318 |
| Unknown | China national standards | MT | 210.0 | USD | 20190317 |
| Unknown | China national standards | MT | 180.0 | USD | 20190317 |
| Unknown | China national standards | MT | 1190.0 | USD | 20190317 |
| Unknown | China national standards | MT | 1360.0 | USD | 20190317 |
| Unknown | China national standards | MT | 1520.0 | USD | 20190317 |
| Unknown | China national standards | MT | 1360.0 | USD | 20190317 |
| Unknown | China national standards | MT | 1340.0 | USD | 20190316 |