| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 159250.0 | USD | 20210117 |
| Unknown | China national standards | MT | 1203460.0 | USD | 20210117 |
| Unknown | China national standards | MT | 141780.0 | USD | 20210114 |
| Unknown | China national standards | MT | 928730.0 | USD | 20210111 |
| Unknown | China national standards | MT | 1030930.06 | USD | 20210101 |
| Unknown | China national standards | MT | 1192100.0 | USD | 20210101 |
| Unknown | China national standards | MT | 531870.0 | USD | 20201223 |
| Unknown | China national standards | MT | 812980.0 | USD | 20201221 |
| Unknown | China national standards | MT | 81390.0 | USD | 20201218 |
| Unknown | China national standards | MT | 814780.0 | USD | 20201217 |