| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 40.0 | USD | 20190901 |
| Unknown | China national standards | MT | 250.0 | USD | 20190901 |
| Unknown | China national standards | MT | 26380.0 | USD | 20190822 |
| Unknown | China national standards | MT | 320.0 | USD | 20190822 |
| Unknown | China national standards | MT | 50.0 | USD | 20190819 |
| Unknown | China national standards | MT | 3230.0 | USD | 20190816 |
| Unknown | China national standards | MT | 26460.0 | USD | 20190815 |
| Unknown | China national standards | MT | 182039.98 | USD | 20190814 |
| Unknown | China national standards | MT | 182000.0 | USD | 20190813 |
| Unknown | China national standards | MT | 330.0 | USD | 20190812 |