| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 820.0 | USD | 20191120 |
| Unknown | China national standards | MT | 120.0 | USD | 20191119 |
| Unknown | China national standards | MT | 120.0 | USD | 20191117 |
| Unknown | China national standards | MT | 120.0 | USD | 20191116 |
| Unknown | China national standards | MT | 120.0 | USD | 20191115 |
| Unknown | China national standards | MT | 820.0 | USD | 20191114 |
| Unknown | China national standards | MT | 740.0 | USD | 20191114 |
| Unknown | China national standards | MT | 1150.0 | USD | 20191114 |
| Unknown | China national standards | MT | 470.0 | USD | 20191113 |
| Unknown | China national standards | MT | 110.0 | USD | 20191112 |