| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3820.0 | USD | 20201001 |
| Unknown | China national standards | MT | 3790.0 | USD | 20201001 |
| Unknown | China national standards | MT | 25780.0 | USD | 20200922 |
| Unknown | China national standards | MT | 3740.0 | USD | 20200921 |
| Unknown | China national standards | MT | 3450.0 | USD | 20200920 |
| Unknown | China national standards | MT | 23700.0 | USD | 20200919 |
| Unknown | China national standards | MT | 3760.0 | USD | 20200918 |
| Unknown | China national standards | MT | 23700.0 | USD | 20200918 |
| Unknown | China national standards | MT | 3760.0 | USD | 20200918 |
| Unknown | China national standards | MT | 2730.0 | USD | 20200917 |