| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4790.0 | USD | 20190301 |
| Unknown | China national standards | MT | 1100.0 | USD | 20190301 |
| Unknown | China national standards | MT | 120.0 | USD | 20190301 |
| Unknown | China national standards | MT | 160.0 | USD | 20190301 |
| Unknown | China national standards | MT | 120.0 | USD | 20190218 |
| Unknown | China national standards | MT | 17500.0 | USD | 20190217 |
| Unknown | China national standards | MT | 800.0 | USD | 20190215 |
| Unknown | China national standards | MT | 118110.0 | USD | 20190214 |
| Unknown | China national standards | MT | 119280.0 | USD | 20190201 |
| Unknown | China national standards | MT | 17640.0 | USD | 20190201 |