| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 660.0 | USD | 20191223 |
| Unknown | China national standards | MT | 90.0 | USD | 20191223 |
| Unknown | China national standards | MT | 90.0 | USD | 20191222 |
| Unknown | China national standards | MT | 100.0 | USD | 20191221 |
| Unknown | China national standards | MT | 90.0 | USD | 20191221 |
| Unknown | China national standards | MT | 690.0 | USD | 20191221 |
| Unknown | China national standards | MT | 690.0 | USD | 20191220 |
| Unknown | China national standards | MT | 90.0 | USD | 20191220 |
| Unknown | China national standards | MT | 660.0 | USD | 20191219 |
| Unknown | China national standards | MT | 640.0 | USD | 20191218 |