| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 560.0 | USD | 20200201 |
| Unknown | China national standards | MT | 510.0 | USD | 20200201 |
| Unknown | China national standards | MT | 80.0 | USD | 20191223 |
| Unknown | China national standards | MT | 540.0 | USD | 20191223 |
| Unknown | China national standards | MT | 540.0 | USD | 20191223 |
| Unknown | China national standards | MT | 90.0 | USD | 20191223 |
| Unknown | China national standards | MT | 80.0 | USD | 20191222 |
| Unknown | China national standards | MT | 80.0 | USD | 20191222 |
| Unknown | China national standards | MT | 520.0 | USD | 20191222 |
| Unknown | China national standards | MT | 620.0 | USD | 20191222 |