| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 180.0 | USD | 20190522 |
| Unknown | China national standards | MT | 1240.0 | USD | 20190521 |
| Unknown | China national standards | MT | 1030.0 | USD | 20190521 |
| Unknown | China national standards | MT | 2680.0 | USD | 20190520 |
| Unknown | China national standards | MT | 150.0 | USD | 20190520 |
| Unknown | China national standards | MT | 180.0 | USD | 20190519 |
| Unknown | China national standards | MT | 1260.0 | USD | 20190519 |
| Unknown | China national standards | MT | 990.0 | USD | 20190519 |
| Unknown | China national standards | MT | 1320.0 | USD | 20190519 |
| Unknown | China national standards | MT | 1320.0 | USD | 20190518 |