| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5420.0 | USD | 20190322 |
| Unknown | China national standards | MT | 6100.0 | USD | 20190321 |
| Unknown | China national standards | MT | 5690.0 | USD | 20190320 |
| Unknown | China national standards | MT | 960.0 | USD | 20190320 |
| Unknown | China national standards | MT | 860.0 | USD | 20190319 |
| Unknown | China national standards | MT | 900.0 | USD | 20190317 |
| Unknown | China national standards | MT | 840.0 | USD | 20190317 |
| Unknown | China national standards | MT | 5400.0 | USD | 20190315 |
| Unknown | China national standards | MT | 860.0 | USD | 20190315 |
| Unknown | China national standards | MT | 5260.0 | USD | 20190313 |