| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1370.0 | USD | 20191222 |
| Unknown | China national standards | MT | 580.0 | USD | 20191222 |
| Unknown | China national standards | MT | 1000.0 | USD | 20191222 |
| Unknown | China national standards | MT | 9630.0 | USD | 20191222 |
| Unknown | China national standards | MT | 580.0 | USD | 20191219 |
| Unknown | China national standards | MT | 4060.0 | USD | 20191215 |
| Unknown | China national standards | MT | 4050.0 | USD | 20191212 |
| Unknown | China national standards | MT | 4030.0 | USD | 20191211 |
| Unknown | China national standards | MT | 4030.0 | USD | 20191201 |
| Unknown | China national standards | MT | 9600.0 | USD | 20191201 |