| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7360.0 | USD | 20191222 |
| Unknown | China national standards | MT | 6990.0 | USD | 20191221 |
| Unknown | China national standards | MT | 7360.0 | USD | 20191221 |
| Unknown | China national standards | MT | 6730.0 | USD | 20191220 |
| Unknown | China national standards | MT | 8200.0 | USD | 20191219 |
| Unknown | China national standards | MT | 7580.0 | USD | 20191218 |
| Unknown | China national standards | MT | 6290.0 | USD | 20191218 |
| Unknown | China national standards | MT | 7580.0 | USD | 20191217 |
| Unknown | China national standards | MT | 36100.0 | USD | 20191216 |
| Unknown | China national standards | MT | 7260.0 | USD | 20191216 |