| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3340.0 | USD | 20191119 |
| Unknown | China national standards | MT | 23640.0 | USD | 20191118 |
| Unknown | China national standards | MT | 890.0 | USD | 20191118 |
| Unknown | China national standards | MT | 830.0 | USD | 20191117 |
| Unknown | China national standards | MT | 760.0 | USD | 20191116 |
| Unknown | China national standards | MT | 5140.0 | USD | 20191115 |
| Unknown | China national standards | MT | 5860.0 | USD | 20191114 |
| Unknown | China national standards | MT | 6260.0 | USD | 20191114 |
| Unknown | China national standards | MT | 570.0 | USD | 20191113 |
| Unknown | China national standards | MT | 5240.0 | USD | 20191113 |