| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 430.0 | USD | 20190901 |
| Unknown | China national standards | MT | 4780.0 | USD | 20190901 |
| Unknown | China national standards | MT | 3010.0 | USD | 20190901 |
| Unknown | China national standards | MT | 4780.0 | USD | 20190901 |
| Unknown | China national standards | MT | 4940.0 | USD | 20190823 |
| Unknown | China national standards | MT | 720.0 | USD | 20190822 |
| Unknown | China national standards | MT | 590.0 | USD | 20190819 |
| Unknown | China national standards | MT | 590.0 | USD | 20190819 |
| Unknown | China national standards | MT | 720.0 | USD | 20190818 |
| Unknown | China national standards | MT | 5440.0 | USD | 20190818 |