| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 400.0 | USD | 20200301 |
| Unknown | China national standards | MT | 250.0 | USD | 20200301 |
| Unknown | China national standards | MT | 260.0 | USD | 20200301 |
| Unknown | China national standards | MT | 300.0 | USD | 20200301 |
| Unknown | China national standards | MT | 490.0 | USD | 20200223 |
| Unknown | China national standards | MT | 490.0 | USD | 20200222 |
| Unknown | China national standards | MT | 880.0 | USD | 20200222 |
| Unknown | China national standards | MT | 1570.0 | USD | 20200221 |
| Unknown | China national standards | MT | 1650.0 | USD | 20200221 |
| Unknown | China national standards | MT | 230.0 | USD | 20200221 |