| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4010.0 | USD | 20190901 |
| Unknown | China national standards | MT | 280.0 | USD | 20190901 |
| Unknown | China national standards | MT | 290.0 | USD | 20190823 |
| Unknown | China national standards | MT | 2080.0 | USD | 20190822 |
| Unknown | China national standards | MT | 560.0 | USD | 20190822 |
| Unknown | China national standards | MT | 300.0 | USD | 20190822 |
| Unknown | China national standards | MT | 4640.0 | USD | 20190822 |
| Unknown | China national standards | MT | 2050.0 | USD | 20190821 |
| Unknown | China national standards | MT | 5370.0 | USD | 20190820 |
| Unknown | China national standards | MT | 1860.0 | USD | 20190820 |