| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 70.0 | USD | 20200701 |
| Unknown | China national standards | MT | 70.0 | USD | 20200701 |
| Unknown | China national standards | MT | 30.0 | USD | 20200617 |
| Unknown | China national standards | MT | 30.0 | USD | 20200610 |
| Unknown | China national standards | MT | 990.0 | USD | 20200523 |
| Unknown | China national standards | MT | 50.0 | USD | 20200523 |
| Unknown | China national standards | MT | 300.0 | USD | 20200522 |
| Unknown | China national standards | MT | 200.0 | USD | 20200522 |
| Unknown | China national standards | MT | 30.0 | USD | 20200522 |
| Unknown | China national standards | MT | 60.0 | USD | 20200522 |