| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 820.0 | USD | 20200201 |
| Unknown | China national standards | MT | 920.0 | USD | 20200201 |
| Unknown | China national standards | MT | 110.0 | USD | 20191220 |
| Unknown | China national standards | MT | 860.0 | USD | 20191219 |
| Unknown | China national standards | MT | 130.0 | USD | 20191219 |
| Unknown | China national standards | MT | 120.0 | USD | 20191218 |
| Unknown | China national standards | MT | 120.0 | USD | 20191217 |
| Unknown | China national standards | MT | 130.0 | USD | 20191216 |
| Unknown | China national standards | MT | 870.0 | USD | 20191216 |
| Unknown | China national standards | MT | 120.0 | USD | 20191215 |