| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 320.0 | USD | 20210101 |
| Unknown | China national standards | MT | 300.0 | USD | 20210101 |
| Unknown | China national standards | MT | 160.0 | USD | 20201223 |
| Unknown | China national standards | MT | 160.0 | USD | 20201223 |
| Unknown | China national standards | MT | 60.0 | USD | 20201221 |
| Unknown | China national standards | MT | 1220.0 | USD | 20201218 |
| Unknown | China national standards | MT | 60.0 | USD | 20201218 |
| Unknown | China national standards | MT | 300.0 | USD | 20201218 |
| Unknown | China national standards | MT | 50.0 | USD | 20201217 |
| Unknown | China national standards | MT | 190.0 | USD | 20201213 |