| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1860.0 | USD | 20190601 |
| Unknown | China national standards | MT | 1490.0 | USD | 20190601 |
| Unknown | China national standards | MT | 1760.0 | USD | 20190601 |
| Unknown | China national standards | MT | 250.0 | USD | 20190522 |
| Unknown | China national standards | MT | 280.0 | USD | 20190522 |
| Unknown | China national standards | MT | 1680.0 | USD | 20190522 |
| Unknown | China national standards | MT | 1850.0 | USD | 20190521 |
| Unknown | China national standards | MT | 1540.0 | USD | 20190521 |
| Unknown | China national standards | MT | 1710.0 | USD | 20190520 |
| Unknown | China national standards | MT | 1650.0 | USD | 20190520 |