| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5300.0 | USD | 20181118 |
| Unknown | China national standards | MT | 770.0 | USD | 20181118 |
| Unknown | China national standards | MT | 730.0 | USD | 20181118 |
| Unknown | China national standards | MT | 4710.0 | USD | 20181115 |
| Unknown | China national standards | MT | 680.0 | USD | 20181114 |
| Unknown | China national standards | MT | 5070.0 | USD | 20181110 |
| Unknown | China national standards | MT | 7540.0 | USD | 20181101 |
| Unknown | China national standards | MT | 5050.0 | USD | 20181101 |
| Unknown | China national standards | MT | 5280.0 | USD | 20181101 |
| Unknown | China national standards | MT | 7540.0 | USD | 20181101 |