| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 120.0 | USD | 20191117 |
| Unknown | China national standards | MT | 850.0 | USD | 20191116 |
| Unknown | China national standards | MT | 860.0 | USD | 20191115 |
| Unknown | China national standards | MT | 860.0 | USD | 20191113 |
| Unknown | China national standards | MT | 120.0 | USD | 20191113 |
| Unknown | China national standards | MT | 120.0 | USD | 20191112 |
| Unknown | China national standards | MT | 830.0 | USD | 20191112 |
| Unknown | China national standards | MT | 120.0 | USD | 20191111 |
| Unknown | China national standards | MT | 850.0 | USD | 20191110 |
| Unknown | China national standards | MT | 120.0 | USD | 20191110 |