| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 170.0 | USD | 20191223 |
| Unknown | China national standards | MT | 1070.0 | USD | 20191222 |
| Unknown | China national standards | MT | 760.0 | USD | 20191222 |
| Unknown | China national standards | MT | 160.0 | USD | 20191222 |
| Unknown | China national standards | MT | 120.0 | USD | 20191221 |
| Unknown | China national standards | MT | 140.0 | USD | 20191221 |
| Unknown | China national standards | MT | 160.0 | USD | 20191220 |
| Unknown | China national standards | MT | 120.0 | USD | 20191220 |
| Unknown | China national standards | MT | 140.0 | USD | 20191220 |
| Unknown | China national standards | MT | 870.0 | USD | 20191219 |