| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20.0 | USD | 20200314 |
| Unknown | China national standards | MT | 490.0 | USD | 20200312 |
| Unknown | China national standards | MT | 320.0 | USD | 20200312 |
| Unknown | China national standards | MT | 70.0 | USD | 20200312 |
| Unknown | China national standards | MT | 150.0 | USD | 20200301 |
| Unknown | China national standards | MT | 1000.0 | USD | 20200301 |
| Unknown | China national standards | MT | 150.0 | USD | 20200301 |
| Unknown | China national standards | MT | 140.0 | USD | 20200301 |
| Unknown | China national standards | MT | 20.0 | USD | 20200301 |
| Unknown | China national standards | MT | 140.0 | USD | 20200301 |