| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 28470.0 | USD | 20190423 |
| Unknown | China national standards | MT | 28540.0 | USD | 20190418 |
| Unknown | China national standards | MT | 27580.0 | USD | 20190416 |
| Unknown | China national standards | MT | 4230.0 | USD | 20190414 |
| Unknown | China national standards | MT | 4090.0 | USD | 20190414 |
| Unknown | China national standards | MT | 4410.0 | USD | 20190413 |
| Unknown | China national standards | MT | 4230.0 | USD | 20190413 |
| Unknown | China national standards | MT | 3960.0 | USD | 20190413 |
| Unknown | China national standards | MT | 27540.0 | USD | 20190401 |
| Unknown | China national standards | MT | 26610.0 | USD | 20190401 |