| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20890.0 | USD | 20190101 |
| Unknown | China national standards | MT | 120.0 | USD | 20190101 |
| Unknown | China national standards | MT | 110.0 | USD | 20190101 |
| Unknown | China national standards | MT | 110.0 | USD | 20190101 |
| Unknown | China national standards | MT | 160.0 | USD | 20181223 |
| Unknown | China national standards | MT | 810.0 | USD | 20181222 |
| Unknown | China national standards | MT | 110.0 | USD | 20181218 |
| Unknown | China national standards | MT | 110.0 | USD | 20181217 |
| Unknown | China national standards | MT | 1100.0 | USD | 20181216 |
| Unknown | China national standards | MT | 760.0 | USD | 20181214 |