| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 23430.0 | USD | 20190401 |
| Unknown | China national standards | MT | 22470.0 | USD | 20190401 |
| Unknown | China national standards | MT | 22450.0 | USD | 20190320 |
| Unknown | China national standards | MT | 3270.0 | USD | 20190319 |
| Unknown | China national standards | MT | 26360.0 | USD | 20190319 |
| Unknown | China national standards | MT | 3830.0 | USD | 20190318 |
| Unknown | China national standards | MT | 22580.0 | USD | 20190318 |
| Unknown | China national standards | MT | 3280.0 | USD | 20190317 |
| Unknown | China national standards | MT | 3320.0 | USD | 20190317 |
| Unknown | China national standards | MT | 3710.0 | USD | 20190315 |