| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 174310.0 | USD | 20200214 |
| Unknown | China national standards | MT | 25260.0 | USD | 20200201 |
| Unknown | China national standards | MT | 176759.98 | USD | 20200201 |
| Unknown | China national standards | MT | 25260.0 | USD | 20200201 |
| Unknown | China national standards | MT | 20320.0 | USD | 20191217 |
| Unknown | China national standards | MT | 20260.0 | USD | 20191214 |
| Unknown | China national standards | MT | 141800.0 | USD | 20191201 |
| Unknown | China national standards | MT | 141800.0 | USD | 20191201 |
| Unknown | China national standards | MT | 12020.0 | USD | 20191020 |
| Unknown | China national standards | MT | 12020.0 | USD | 20191010 |