| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1210.0 | USD | 20210310 |
| Unknown | China national standards | MT | 200.0 | USD | 20210301 |
| Unknown | China national standards | MT | 1300.0 | USD | 20210301 |
| Unknown | China national standards | MT | 180.0 | USD | 20210301 |
| Unknown | China national standards | MT | 200.0 | USD | 20210301 |
| Unknown | China national standards | MT | 200.0 | USD | 20210301 |
| Unknown | China national standards | MT | 1250.0 | USD | 20210222 |
| Unknown | China national standards | MT | 180.0 | USD | 20210222 |
| Unknown | China national standards | MT | 1160.0 | USD | 20210218 |
| Unknown | China national standards | MT | 180.0 | USD | 20210214 |