| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2150.0 | USD | 20190901 |
| Unknown | China national standards | MT | 420.0 | USD | 20190901 |
| Unknown | China national standards | MT | 920.0 | USD | 20190823 |
| Unknown | China national standards | MT | 920.0 | USD | 20190822 |
| Unknown | China national standards | MT | 330.0 | USD | 20190820 |
| Unknown | China national standards | MT | 2260.0 | USD | 20190820 |
| Unknown | China national standards | MT | 6250.0 | USD | 20190819 |
| Unknown | China national standards | MT | 330.0 | USD | 20190817 |
| Unknown | China national standards | MT | 2270.0 | USD | 20190816 |
| Unknown | China national standards | MT | 43130.0 | USD | 20190812 |