| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 490.0 | USD | 20191201 |
| Unknown | China national standards | MT | 290.0 | USD | 20191201 |
| Unknown | China national standards | MT | 490.0 | USD | 20191201 |
| Unknown | China national standards | MT | 2370.0 | USD | 20191201 |
| Unknown | China national standards | MT | 390.0 | USD | 20191122 |
| Unknown | China national standards | MT | 2620.0 | USD | 20191121 |
| Unknown | China national standards | MT | 2230.0 | USD | 20191119 |
| Unknown | China national standards | MT | 370.0 | USD | 20191119 |
| Unknown | China national standards | MT | 340.0 | USD | 20191119 |
| Unknown | China national standards | MT | 370.0 | USD | 20191117 |