| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1070.0 | USD | 20190901 |
| Unknown | China national standards | MT | 140.0 | USD | 20190901 |
| Unknown | China national standards | MT | 130.0 | USD | 20190823 |
| Unknown | China national standards | MT | 7700.0 | USD | 20190823 |
| Unknown | China national standards | MT | 900.0 | USD | 20190823 |
| Unknown | China national standards | MT | 900.0 | USD | 20190822 |
| Unknown | China national standards | MT | 970.0 | USD | 20190822 |
| Unknown | China national standards | MT | 140.0 | USD | 20190821 |
| Unknown | China national standards | MT | 130.0 | USD | 20190821 |
| Unknown | China national standards | MT | 1470.0 | USD | 20190821 |