| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 35830.0 | USD | 20191121 |
| Unknown | China national standards | MT | 4420.0 | USD | 20191120 |
| Unknown | China national standards | MT | 17550.0 | USD | 20191117 |
| Unknown | China national standards | MT | 35890.0 | USD | 20191116 |
| Unknown | China national standards | MT | 5070.0 | USD | 20191115 |
| Unknown | China national standards | MT | 124240.0 | USD | 20191113 |
| Unknown | China national standards | MT | 124240.0 | USD | 20191113 |
| Unknown | China national standards | MT | 5050.0 | USD | 20191101 |
| Unknown | China national standards | MT | 3870.0 | USD | 20191101 |
| Unknown | China national standards | MT | 17460.0 | USD | 20191101 |