| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 260.0 | USD | 20190812 |
| Unknown | China national standards | MT | 260.0 | USD | 20190811 |
| Unknown | China national standards | MT | 1830.0 | USD | 20190801 |
| Unknown | China national standards | MT | 1800.0 | USD | 20190801 |
| Unknown | China national standards | MT | 1800.0 | USD | 20190801 |
| Unknown | China national standards | MT | 15780.0 | USD | 20190801 |
| Unknown | China national standards | MT | 1850.0 | USD | 20190717 |
| Unknown | China national standards | MT | 270.0 | USD | 20190716 |
| Unknown | China national standards | MT | 280.0 | USD | 20190716 |
| Unknown | China national standards | MT | 1910.0 | USD | 20190713 |