| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 420.0 | USD | 20200201 |
| Unknown | China national standards | MT | 400.0 | USD | 20200201 |
| Unknown | China national standards | MT | 390.0 | USD | 20200201 |
| Unknown | China national standards | MT | 1100.0 | USD | 20200201 |
| Unknown | China national standards | MT | 390.0 | USD | 20200201 |
| Unknown | China national standards | MT | 370.0 | USD | 20200201 |
| Unknown | China national standards | MT | 50.0 | USD | 20191223 |
| Unknown | China national standards | MT | 400.0 | USD | 20191223 |
| Unknown | China national standards | MT | 480.0 | USD | 20191222 |
| Unknown | China national standards | MT | 50.0 | USD | 20191222 |