| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 180.0 | USD | 20191122 |
| Unknown | China national standards | MT | 660.0 | USD | 20191120 |
| Unknown | China national standards | MT | 1310.0 | USD | 20191119 |
| Unknown | China national standards | MT | 190.0 | USD | 20191119 |
| Unknown | China national standards | MT | 1310.0 | USD | 20191118 |
| Unknown | China national standards | MT | 230.0 | USD | 20191116 |
| Unknown | China national standards | MT | 230.0 | USD | 20191116 |
| Unknown | China national standards | MT | 4660.0 | USD | 20191116 |
| Unknown | China national standards | MT | 1710.0 | USD | 20191115 |
| Unknown | China national standards | MT | 1620.0 | USD | 20191114 |