| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 67030.0 | USD | 20190413 |
| Unknown | China national standards | MT | 8470.0 | USD | 20190413 |
| Unknown | China national standards | MT | 67030.0 | USD | 20190412 |
| Unknown | China national standards | MT | 8550.0 | USD | 20190410 |
| Unknown | China national standards | MT | 57390.0 | USD | 20190401 |
| Unknown | China national standards | MT | 61800.0 | USD | 20190401 |
| Unknown | China national standards | MT | 56280.0 | USD | 20190323 |
| Unknown | China national standards | MT | 8460.0 | USD | 20190317 |
| Unknown | China national standards | MT | 59080.0 | USD | 20190315 |
| Unknown | China national standards | MT | 8300.0 | USD | 20190315 |