| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 290.0 | USD | 20210101 |
| Unknown | China national standards | MT | 300.0 | USD | 20201223 |
| Unknown | China national standards | MT | 230.0 | USD | 20201223 |
| Unknown | China national standards | MT | 1380.0 | USD | 20201222 |
| Unknown | China national standards | MT | 1540.0 | USD | 20201222 |
| Unknown | China national standards | MT | 260.0 | USD | 20201220 |
| Unknown | China national standards | MT | 1690.0 | USD | 20201218 |
| Unknown | China national standards | MT | 1390.0 | USD | 20201218 |
| Unknown | China national standards | MT | 1980.0 | USD | 20201217 |
| Unknown | China national standards | MT | 290.0 | USD | 20201217 |