| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5550.0 | USD | 20191119 |
| Unknown | China national standards | MT | 4750.0 | USD | 20191118 |
| Unknown | China national standards | MT | 5460.0 | USD | 20191115 |
| Unknown | China national standards | MT | 5390.0 | USD | 20191114 |
| Unknown | China national standards | MT | 4560.0 | USD | 20191113 |
| Unknown | China national standards | MT | 650.0 | USD | 20191113 |
| Unknown | China national standards | MT | 4750.0 | USD | 20191112 |
| Unknown | China national standards | MT | 5470.0 | USD | 20191111 |
| Unknown | China national standards | MT | 780.0 | USD | 20191110 |
| Unknown | China national standards | MT | 670.0 | USD | 20191101 |