| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 480.0 | USD | 20200201 |
| Unknown | China national standards | MT | 220.0 | USD | 20191223 |
| Unknown | China national standards | MT | 860.0 | USD | 20191223 |
| Unknown | China national standards | MT | 30.0 | USD | 20191222 |
| Unknown | China national standards | MT | 490.0 | USD | 20191221 |
| Unknown | China national standards | MT | 80.0 | USD | 20191221 |
| Unknown | China national standards | MT | 560.0 | USD | 20191220 |
| Unknown | China national standards | MT | 120.0 | USD | 20191220 |
| Unknown | China national standards | MT | 30.0 | USD | 20191219 |
| Unknown | China national standards | MT | 560.0 | USD | 20191218 |