| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 18380.0 | USD | 20181221 |
| Unknown | China national standards | MT | 2670.0 | USD | 20181217 |
| Unknown | China national standards | MT | 18560.0 | USD | 20181217 |
| Unknown | China national standards | MT | 2650.0 | USD | 20181216 |
| Unknown | China national standards | MT | 18590.0 | USD | 20181213 |
| Unknown | China national standards | MT | 2640.0 | USD | 20181212 |
| Unknown | China national standards | MT | 2650.0 | USD | 20181201 |
| Unknown | China national standards | MT | 18240.0 | USD | 20181201 |
| Unknown | China national standards | MT | 3590.0 | USD | 20181123 |
| Unknown | China national standards | MT | 18400.0 | USD | 20181123 |