| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 33450.0 | USD | 20191001 |
| Unknown | China national standards | MT | 22530.0 | USD | 20191001 |
| Unknown | China national standards | MT | 3220.0 | USD | 20190923 |
| Unknown | China national standards | MT | 3220.0 | USD | 20190919 |
| Unknown | China national standards | MT | 22640.0 | USD | 20190901 |
| Unknown | China national standards | MT | 22640.0 | USD | 20190901 |
| Unknown | China national standards | MT | 3330.0 | USD | 20190823 |
| Unknown | China national standards | MT | 21820.0 | USD | 20190822 |
| Unknown | China national standards | MT | 3110.0 | USD | 20190820 |
| Unknown | China national standards | MT | 3440.0 | USD | 20190819 |