| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1670.0 | USD | 20200201 |
| Unknown | China national standards | MT | 910.0 | USD | 20200201 |
| Unknown | China national standards | MT | 1500.0 | USD | 20191223 |
| Unknown | China national standards | MT | 1690.0 | USD | 20191223 |
| Unknown | China national standards | MT | 1300.0 | USD | 20191222 |
| Unknown | China national standards | MT | 190.0 | USD | 20191222 |
| Unknown | China national standards | MT | 240.0 | USD | 20191221 |
| Unknown | China national standards | MT | 230.0 | USD | 20191220 |
| Unknown | China national standards | MT | 190.0 | USD | 20191218 |
| Unknown | China national standards | MT | 220.0 | USD | 20191217 |