| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1790.0 | USD | 20190913 |
| Unknown | China national standards | MT | 7340.0 | USD | 20190910 |
| Unknown | China national standards | MT | 51670.0 | USD | 20190901 |
| Unknown | China national standards | MT | 7340.0 | USD | 20190901 |
| Unknown | China national standards | MT | 1790.0 | USD | 20190823 |
| Unknown | China national standards | MT | 2240.0 | USD | 20190822 |
| Unknown | China national standards | MT | 2250.0 | USD | 20190818 |
| Unknown | China national standards | MT | 260.0 | USD | 20190814 |
| Unknown | China national standards | MT | 15480.0 | USD | 20190814 |
| Unknown | China national standards | MT | 260.0 | USD | 20190812 |