| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20190523 |
| Unknown | China national standards | MT | 160.0 | USD | 20190522 |
| Unknown | China national standards | MT | 160.0 | USD | 20190521 |
| Unknown | China national standards | MT | 920.0 | USD | 20190521 |
| Unknown | China national standards | MT | 130.0 | USD | 20190520 |
| Unknown | China national standards | MT | 130.0 | USD | 20190520 |
| Unknown | China national standards | MT | 1010.0 | USD | 20190520 |
| Unknown | China national standards | MT | 170.0 | USD | 20190520 |
| Unknown | China national standards | MT | 890.0 | USD | 20190519 |
| Unknown | China national standards | MT | 930.0 | USD | 20190519 |